Industry

Reproduction of fixed assets of the enterprise

Reproduction of fixed assets of the enterprise

Last modified: 2025-01-24 13:01

How is the process of reproduction of fixed assets? What sources of its implementation are used?

The train is public transport. Informative information about electric trains

The train is public transport. Informative information about electric trains

Last modified: 2025-06-01 07:06

The article provides basic information about suburban electric trains: what they are, how they differ from long-distance trains, how they work and for whom they are intended

Pipeline laying: methods and technologies

Pipeline laying: methods and technologies

Last modified: 2025-01-24 13:01

Piping can be done using a variety of techniques. Most often, highways are pulled along trenches dug in advance. Also, the assembly can be carried out by an open ground method or in channels. Sometimes highways are laid using the trenchless method: by puncturing or punching the soil

Engineering systems - installation, features and requirements

Engineering systems - installation, features and requirements

Last modified: 2025-01-24 13:01

The article is devoted to the installation of engineering systems. Its features, requirements, design and general implementation technology are considered

Military weapons: fighter planes

Military weapons: fighter planes

Last modified: 2025-01-24 13:01

Fighter is a military aircraft, the main purpose of which is to destroy enemy air units. They are used as an escort for air vehicles, protecting ground facilities from enemy aircraft. Quite rarely, fighter planes attack sea and ground targets

Laying the cable in the trench: entrust the work to professionals

Laying the cable in the trench: entrust the work to professionals

Last modified: 2025-01-24 13:01

Only specialized companies and organizations that have all permits and permits to perform such types of work have the right to lay a 10 kV cable. The installation of the mentioned power lines is a very laborious and responsible process. Work on laying such a cable will require a sufficient number of fixtures, tools and materials

Tung oil: production, application, properties, reviews

Tung oil: production, application, properties, reviews

Last modified: 2025-01-24 13:01

Tung oil has long been used to coat wood products. For several centuries, it has established itself as an excellent preservative, antiseptic with high decorative qualities

American auto industry: history, development, current state. US automotive industry

American auto industry: history, development, current state. US automotive industry

Last modified: 2025-01-24 13:01

How the American automaker market has evolved. What methods of modernization were considered revolutionary at the beginning of the last century. Creation of the big three auto concerns. Modern development of the American car market

What is the optimal spindle for CNC?

What is the optimal spindle for CNC?

Last modified: 2025-01-24 13:01

The spindle can have a single design with built-in current-carrying windings and a separate one. The kinematic connection for the latter is carried out by means of a belt drive or gearbox, and a gearbox with manual and automatic operation can also be used

Gas sensor: description, types, cost

Gas sensor: description, types, cost

Last modified: 2025-01-24 13:01

Any room in which gas equipment is used must be checked for the level of concentration in the air of the products of combustion of gas. To measure this parameter and ensure safe conditions in everyday life and in industry, a special device is used - a gas sensor. What kind of device it is, and what functions it performs, is disclosed in the article

Leading factories of Omsk and Omsk region: history and modernity

Leading factories of Omsk and Omsk region: history and modernity

Last modified: 2025-01-24 13:01

The factories of Omsk and the Omsk region occupy an important place in the Russian economy. The strategic location in the very center of the country allows local companies to establish business partnerships with East and West. The region has developed aircraft manufacturing, mechanical engineering, metallurgy, defense and electronic industries

Water desalination: methods and settings

Water desalination: methods and settings

Last modified: 2025-01-24 13:01

Demineralization of water is the removal of s alts from it. There are several methods by which you can desalinate the liquid completely or partially. Each of them has its own advantages and disadvantages

Rolled steel: types, GOST, prices

Rolled steel: types, GOST, prices

Last modified: 2025-01-24 13:01

Currently, steel rolling is one of the main operations performed in foundry rolling mills. Using this method, you can get a variety of steel products, which are subsequently used in many areas of human activity

Absolute alcohol. Industrial production of alcohol from biological raw materials

Absolute alcohol. Industrial production of alcohol from biological raw materials

Last modified: 2025-01-24 13:01

Absolute ethyl alcohol has found its application in industry. This substance is necessary to ensure the reaction of organic synthesis. Such a liquid is now often used in laboratories. For the first time, the technical specifications dedicated to this substance were published in the 37th year. Currently, there are specialized GOSTs and standards that regulate the quality of the liquid and the nuances of its preparation

The lightest helicopter. Light Russian helicopters. Light helicopters of the world. The lightest multi-purpose helicopter

The lightest helicopter. Light Russian helicopters. Light helicopters of the world. The lightest multi-purpose helicopter

Last modified: 2025-01-24 13:01

Heavy combat helicopters are designed to transport people, weapons and their use. They have serious armor, high speed. But they are not suitable for civilian purposes, they are too large, expensive and difficult to manage and operate. For peacetime, you need something simple and easy to manage. The lightest helicopter with a joystick control is quite suitable for this

Stoeger X50 air rifle: review, description, specifications and reviews

Stoeger X50 air rifle: review, description, specifications and reviews

Last modified: 2025-01-24 13:01

The focus of this article is the Stoeger X50 pneumatics, created by Italian gunsmiths and presented to the public as an inexpensive solution for recreational shooting

Building ships. Shipyard. Shipbuilding

Building ships. Shipyard. Shipbuilding

Last modified: 2025-01-24 13:01

Shipbuilding activities are necessary for every maritime power, and therefore the construction of ships almost never stops. Any activity at sea has always been considered a very profitable business, and this is how things are now

Izhevsk factories: past, present, future

Izhevsk factories: past, present, future

Last modified: 2025-01-24 13:01

Izhevsk is known to many in our country as the arms capital of Russia. This is true, but few people know that there are several dozen other enterprises focused on the production of both military and civilian products. The article tells about the Izhevsk industry

Construction of "Akkuyu" - nuclear power plant in Turkey. Origins and fate of the project

Construction of "Akkuyu" - nuclear power plant in Turkey. Origins and fate of the project

Last modified: 2025-01-24 13:01

Everything about the Akkuyu NPP project: history, essence and brief description, as well as the attitude of people to the project. Why has the NPP project become so discussed lately? What will happen to the project after the events of November 2015? Answers in this article

The most durable metal: what is it

The most durable metal: what is it

Last modified: 2025-01-24 13:01

For a long time, steel was the main material in production and weapons. But steel is not metal. To be more precise, it is not a completely pure metal. This is a compound of iron with carbon, in which other metal additives are also present. Using additives, steel is alloyed, i.e. change its properties. After that, the steel is processed. Steelmaking is a whole science. The strongest metal is obtained by introducing the appropriate alloys into the steel

Rocket fuel: varieties and composition

Rocket fuel: varieties and composition

Last modified: 2025-01-24 13:01

Gunpowder and its analogues in our time are used only for the manufacture of small model rockets, as rocket fuel. The composition of this type allows you to launch small rockets a few hundred meters in height. For military space purposes, rocket fuel of other types is most often used. However, solid rocket fuel in modern carriers is used only at the initial stage

Modern major oil and gas companies in Russia

Modern major oil and gas companies in Russia

Last modified: 2025-01-24 13:01

The development of the oil and gas industry is one of the main aspects of our country's economy. The share of Russian hydrocarbon raw materials on a global scale is more than 10%. Of course, Russian oil and gas companies play a key role in this matter. Here are 5 major companies from this list

Carbon fiber: properties, photo, obtaining, use

Carbon fiber: properties, photo, obtaining, use

Last modified: 2025-01-24 13:01

The article is about carbon fiber. The technology of obtaining, the properties of the material, as well as the scope and forms of application are considered

Utilization of petroleum products: methods and technologies

Utilization of petroleum products: methods and technologies

Last modified: 2025-01-24 13:01

Refining infrastructure includes storage, pumping and filtration facilities, each of which, to varying degrees, leaves raw waste that is detrimental to the environment. Accordingly, there is a need for timely disposal of petroleum products that cannot be used in industry or transport services

What is produced from oil? Oil refining technology

What is produced from oil? Oil refining technology

Last modified: 2025-01-24 13:01

What is produced from oil: features, composition, types of products, photos. Oil refining technology: methods

Fuel for boiler houses: features, types, characteristics and requirements

Fuel for boiler houses: features, types, characteristics and requirements

Last modified: 2025-01-24 13:01

Types of fuel for boilers can be used different. Most water heaters run on gas. But electric, liquid and solid fuel boilers are also quite popular. In the latter case, the equipment can run on coal, wood or pellets

Heat treatment of steel is an important process in the production of metals

Heat treatment of steel is an important process in the production of metals

Last modified: 2025-01-24 13:01

Heat treatment of steel gives any steel product the desired properties. This process is an important step in the production of iron alloy

Technical carbon, its production

Technical carbon, its production

Last modified: 2025-06-01 07:06

Carbon black (GOST 7885-86) is a type of industrial carbon products used mainly in the production of rubber as a filler that enhances its useful performance properties. Unlike coke and pitch, it consists of almost one carbon, it looks like soot

Do-it-yourself ceramic kilns

Do-it-yourself ceramic kilns

Last modified: 2025-01-24 13:01

Ceramic products today are quite often used in everyday life. Ceramic kilns can be used by home craftsmen. However, there are a lot of varieties, they have a very different device and other characteristics that you should understand before buying or making your own

Drawing accessories: tools and materials

Drawing accessories: tools and materials

Last modified: 2025-01-24 13:01

When performing various kinds of graphic work, special tools and materials are used - drawing accessories. Engineers and designers can use compasses, rulers, protractors, etc. Drawings are made on very high quality white paper or graph paper

Extractive industry and reliable pumps

Extractive industry and reliable pumps

Last modified: 2025-01-24 13:01

The mining industry is currently well developed. In addition, this industry includes many smaller ones. All these industries are developed quite strongly and are the main source of obtaining various natural resources for the needs of mankind

Locomotive depot. RZD: locomotive depot

Locomotive depot. RZD: locomotive depot

Last modified: 2025-06-01 07:06

A locomotive depot is a point where maintenance or repair work is carried out on trains. It is also called the traction part

Auxiliary power unit: specifications, purpose, device and resource indicators

Auxiliary power unit: specifications, purpose, device and resource indicators

Last modified: 2025-01-24 13:01

An auxiliary power unit, or APU, is a unit that is very often used in aviation technology. By itself, this installation is necessary for obtaining mechanical energy. However, it cannot be used to move vehicles

Strength limit of materials - what is it?

Strength limit of materials - what is it?

Last modified: 2025-01-24 13:01

Mechanical properties of a metal or alloy, such as hardness, ductility, resistance to deformation, tensile strength or wear resistance, are the main criteria for choosing a material

Anchor chain. Component of the anchor device

Anchor chain. Component of the anchor device

Last modified: 2025-01-24 13:01

Anchor devices and anchor chains in their composition experience serious loads while the vessel is at anchor. The quality of mechanisms, components and individual parts of anchor devices is not only the reliability and safety of the vessel, but also a guarantee of safety, and sometimes the life of people on board

Waterproof fabrics: variety of types and classification of fabrics

Waterproof fabrics: variety of types and classification of fabrics

Last modified: 2025-06-01 07:06

No one is surprised by waterproofs these days: apparel manufacturers are using technological innovations to give their outfits qualities that they could not even dream of before. But how did it all start?

Hardwood: what is it?

Hardwood: what is it?

Last modified: 2025-01-24 13:01

The article is devoted to hardwoods. The features of this material, as well as the most characteristic representatives of the group

Woodworking production: characteristics and technological process

Woodworking production: characteristics and technological process

Last modified: 2025-01-24 13:01

Modern woodworking production involves the use of high-tech equipment to produce high-quality lumber

Polymer cement mortar: composition, technical characteristics, compliance with GOST requirements, purpose and application

Polymer cement mortar: composition, technical characteristics, compliance with GOST requirements, purpose and application

Last modified: 2025-01-24 13:01

Polymer cement mortar is one of the modifications of conventional sand-cement mortar. Polymers can also be added to mixtures that are used when laying plaster and other facing materials. The addition of this substance to the composition helps to improve its characteristics

Synthetic resins: production, composition, structure and scope

Synthetic resins: production, composition, structure and scope

Last modified: 2025-01-24 13:01

Chemicals are used at different stages of the production process and in everyday life. One of these varieties are synthetic resins. These substances differ in composition and scope. The purpose of artificial resins can be very diverse. Depending on the method of production and composition, their main characteristics are determined. Resins of artificial origin will be discussed further

Acetate fiber. Production of acetate fiber

Acetate fiber. Production of acetate fiber

Last modified: 2025-01-24 13:01

At all times, the textile industry has been one of the most important sectors of the national economy in our country, as it gave the state a huge amount of much-needed fabric, which was constantly required not only for the production of clothing, but even used in the production of weapons

Density of asph alt concrete: material consumption and composition

Density of asph alt concrete: material consumption and composition

Last modified: 2025-01-24 13:01

The density of asph alt concrete is one of the main characteristics of this material. Asph alt concrete, as it is also called, has the form of a building artificial conglomerate, which is formed as a result of achieving the required density of the mixture laid in the structure

American company Lockheed Martin ("Lockheed Martin")

American company Lockheed Martin ("Lockheed Martin")

Last modified: 2025-01-24 13:01

Lockheed Martin Transnational Corporation is the world's leading developer and manufacturer of military aviation and space technology, ballistic missiles, fire control systems, and cybersecurity elements. The company also provides a wide range of management, engineering, technical, scientific and logistics services

Calculate the value of "man-hour"

Calculate the value of "man-hour"

Last modified: 2025-01-24 13:01

What are man-hours, how to calculate them, where and why they are used, with what quantities they are interconnected, similar quantities

Condenser units. Repair and operation of industrial electrical equipment

Condenser units. Repair and operation of industrial electrical equipment

Last modified: 2025-01-24 13:01

Only capacitor units can protect the circuit from harmonics and interference. In terms of power, the modifications are quite different. Modern models are produced with multi-channel regulators

С-400. ZRK S-400 "Triumph". S-400, missile system

С-400. ZRK S-400 "Triumph". S-400, missile system

Last modified: 2025-01-24 13:01

In recent years, in the armies of the whole world, the emphasis is on means that allow you to destroy the enemy and enemy equipment at a distance, avoiding a direct collision. Domestic aircraft are no exception. Old missile systems are being modernized, new ones are being created

The territory of the ZIL plant: features, scheme and interesting facts

The territory of the ZIL plant: features, scheme and interesting facts

Last modified: 2025-01-24 13:01

The Likhachev Plant is one of the oldest machine-building enterprises that Russia inherited from the USSR. In Soviet times, it played an important strategic role. What happened to this giant today? What is located on the territory of the ZIL plant?

Combustible dry tablets: reviews and tips for use

Combustible dry tablets: reviews and tips for use

Last modified: 2025-01-24 13:01

Often there are situations when there is a need for a quick production of fire. Or vice versa, there are no materials and means to maintain it. Most often, such situations occur in people who are fond of hiking and traveling and leading a very active lifestyle. Or in cases of unexpected extreme situations, when fire is one of the main means of survival

Dry alcohol - the history of appearance and application

Dry alcohol - the history of appearance and application

Last modified: 2025-01-24 13:01

Dry alcohol is a solid, non-smoking fuel that is used for cooking and heating food in field conditions, which is especially important for areas where natural fuel cannot be found (mountains, rocky ground, steppes, etc. )

Carpet production: technology and manufacturing features

Carpet production: technology and manufacturing features

Last modified: 2025-01-24 13:01

Any carpet production begins with the selection of raw materials. And if earlier the choice of materials was limited to wool and silk, today you can find a woven fabric from both natural fibers and their synthetic counterparts

"Paks" - nuclear power plant in Hungary (photo)

"Paks" - nuclear power plant in Hungary (photo)

Last modified: 2025-01-24 13:01

"Paks" - nuclear power plant, on which the future of Hungary directly depends. that is why close attention has been paid to its reconstruction and colossal funds by the standards of this small European country have been borrowed

Mi-1 helicopter: history of creation, specifications, power and description with photo

Mi-1 helicopter: history of creation, specifications, power and description with photo

Last modified: 2025-01-24 13:01

The Mi-1 model is a legend in the helicopter industry. The development of the model began in the 40s. However, even today this aircraft is respected all over the world. Consider its description, interesting facts and history

Such different matches: the composition of the match head

Such different matches: the composition of the match head

Last modified: 2025-01-24 13:01

A match is a small wooden stick with a hardened mixture of flammable chemicals at one end. When rubbing against a special rough surface, enough heat is generated to ignite the chemicals and cause a small flame

Industrial construction is the basis of the economy

Industrial construction is the basis of the economy

Last modified: 2025-06-01 07:06

Industrial construction has always played an important role in the economy of the state. Judge for yourself - if not a single industry (even the provision of services) can do without a production building or at least an office, then what is the significance of the construction of industrial facilities

Cable cranes: types and characteristics

Cable cranes: types and characteristics

Last modified: 2025-01-24 13:01

Today, a variety of materials are used on construction sites. Many of them weigh quite a lot, and in order to successfully move them, you have to use special equipment. One such device is a cable faucet

Load handling devices and containers

Load handling devices and containers

Last modified: 2025-01-24 13:01

The article is devoted to lifting devices and containers. The varieties of this equipment, the main characteristics of the design and preventive maintenance measures are described

Khrunichev plant: history, products, address

Khrunichev plant: history, products, address

Last modified: 2025-01-24 13:01

The Khrunichev Plant is a leading aerospace enterprise with a century-long history. It produced the first domestic passenger cars "Russo-B alt", armored vehicles, civil and military aircraft. Since the 60s, the company has been developing rocket and space technology

What is radiographic testing? Radiographic control of welds. Radiographic control: GOST

What is radiographic testing? Radiographic control of welds. Radiographic control: GOST

Last modified: 2025-01-24 13:01

Physical bases of radiation control methods. Features of radiographic control. The main stages of radiographic control of welds. Safety precautions in the production of radiographic control. Normative and technical documentation

Energy problem: solutions

Energy problem: solutions

Last modified: 2025-01-24 13:01

The energy problem sooner or later overtakes every state on the planet. The reserves of the Earth's interior are not infinite, so planning for the future is the main task of research organizations. The energy problem was formed decades ago after a sharp increase in resource consumption associated with the development of the motor transport industry

Confectionery packaging: types, requirements, production

Confectionery packaging: types, requirements, production

Last modified: 2025-06-01 07:06

Packaging of confectionery products is the final stage of their production. The container must meet quality standards, have the desired shape and appearance. After baking and cooling products, the goods retain their best qualities due to the packaging rules followed. The goal is not only to preserve the taste and color of products, but also to protect against external mechanical damage

Plant named after Sverdlov in Dzerzhinsk

Plant named after Sverdlov in Dzerzhinsk

Last modified: 2025-01-24 13:01

FKP "Plant named after Ya. M. Sverdlov" (Dzerzhinsk) is one of the leaders of the Russian defense complex. This is the largest research and production association in the military-industrial complex in terms of technological capacities and production volume. The profile of the enterprise is the production of ammunition and explosives

Milk cleaning: technologies and equipment

Milk cleaning: technologies and equipment

Last modified: 2025-06-01 07:06

Milk purification and filtration processes are designed to remove contaminants and natural unwanted impurities from its composition. There are different ways to solve such problems, differing in technological organization, efficiency, productivity and performance. The equipment for milk purification, which is equipped with production lines, also differs

Acetic acid fermentation: pathogens and practical use

Acetic acid fermentation: pathogens and practical use

Last modified: 2025-01-24 13:01

The causative agent of acetic fermentation is the bacteria of the Mycoderma aceti group. These microorganisms belong to the class of aerobic, and there are quite a few varieties of them. This type of bacteria is capable of converting ethyl alcohol into vinegar

Zinced iron: characteristics, purpose

Zinced iron: characteristics, purpose

Last modified: 2025-01-24 13:01

Zinc-coated iron is widely used today. It is used in construction and industry, and paint is applied to its surface even in factory conditions for protection, which allows you to decorate the material

Glazing antiseptic. Antiseptics FORWOOD and "Tikkurila"

Glazing antiseptic. Antiseptics FORWOOD and "Tikkurila"

Last modified: 2025-01-24 13:01

Glazing antiseptics or paints are compounds that have long been used by people who often work with wood products. However, for those who are just trying their hand, this is something new that you should familiarize yourself with

Gold mining. Gold mining methods. Mining gold by hand

Gold mining. Gold mining methods. Mining gold by hand

Last modified: 2025-01-24 13:01

Gold mining began in ancient times. In the entire history of mankind, approximately 168.9 thousand tons of precious metal have been mined, almost 50% of which goes to a variety of jewelry. If all the mined gold is collected in one place, then a cube would be formed as high as a 5-storey building, having an edge - 20 meters

Osmosis reverse - a guarantee of clean water

Osmosis reverse - a guarantee of clean water

Last modified: 2025-01-24 13:01

Reverse osmosis, as the process of separating the components of a solution from each other, has a rather long history. Even the ancient Greeks, in particular, Aristotle, noticed that when sea water passes through the walls of a vessel made of wax, it is desalinated

Obninsk nuclear power plant - the legend of nuclear energy

Obninsk nuclear power plant - the legend of nuclear energy

Last modified: 2025-01-24 13:01

Obninsk NPP was commissioned in 1954 and operated until 2002. This is the world's first nuclear power plant. The station produced electrical and thermal energy, and various scientific laboratories were located on its territory. Now the Obninsk NPP is a museum of atomic energy

What is reactive power? Reactive power compensation. Reactive power calculation

What is reactive power? Reactive power compensation. Reactive power calculation

Last modified: 2025-01-24 13:01

In real production conditions, reactive power of an inductive nature prevails. The enterprises install not one electric meter, but two, one of which is active. And for the overexpenditure of energy “chased” in vain through power lines, the relevant authorities are mercilessly fined

Supersonic intercontinental bomber T-4MS ("product 200"): main characteristics

Supersonic intercontinental bomber T-4MS ("product 200"): main characteristics

Last modified: 2025-01-24 13:01

The strategic supersonic intercontinental bomber-missile carrier developed by the design bureau under the leadership of P. O. Sukhoi remained a project. But the new ideas and solutions used in it have not yet been fully implemented. Even after half a century

What is a frigate Frigate is a naval term for a class of warship

What is a frigate Frigate is a naval term for a class of warship

Last modified: 2025-01-24 13:01

Ships are different. And each has its own name. You can often hear the question: what is a frigate? How is this model different from the rest? What is the purpose? This article will tell you all about it

What is in cement?

What is in cement?

Last modified: 2025-01-24 13:01

Cement is one of the main building materials. Its fields of application are extremely diverse

Rack-and-pinion jack. general information

Rack-and-pinion jack. general information

Last modified: 2025-01-24 13:01

Rack-and-pinion jack is a rather interesting device, which at the same time has a simple mechanism. It is used in various industrial fields and is unpretentious in maintenance

Single-pole machine: device, specifications and connection features

Single-pole machine: device, specifications and connection features

Last modified: 2025-01-24 13:01

In order to choose the right single-pole machine without errors, you should understand the markings printed on the case on the front side. The characteristics of the device are selected depending on the type of connected load and the cross section of the wiring

What are solid capacitors? Marking and classification

What are solid capacitors? Marking and classification

Last modified: 2025-01-24 13:01

Currently, many types of different capacitors are used in technology. However, solid capacitors have become the most common in recent years

Aviation gasoline: characteristics

Aviation gasoline: characteristics

Last modified: 2025-01-24 13:01

What is the difference between aviation gasoline and automobile? Brands of gasoline used in aviation. Specifications, production of fuel for aircraft

Sewerage: cleaning, removing blockages. Wastewater treatment plant, biological wastewater treatment

Sewerage: cleaning, removing blockages. Wastewater treatment plant, biological wastewater treatment

Last modified: 2025-01-24 13:01

The article is devoted to sewer systems and wastewater treatment facilities. Methods for cleaning sewer pipes, biological treatment plants and drainage systems are considered

MTZ-3022: specifications and photos

MTZ-3022: specifications and photos

Last modified: 2025-06-01 07:06

During the existence of the concerns of the Minsk Tractor Plant, more than a hundred different models of special vehicles were produced, designed to solve a wide range of tasks. Among the entire range of products, the MTZ-3022 tractor deserves special attention as one of the most powerful and high-performance

Bulldozer DT 75: specifications, description, reviews

Bulldozer DT 75: specifications, description, reviews

Last modified: 2025-01-24 13:01

If you choose a bulldozer among domestic equipment, then the choice should fall on the DT-75 model, which celebrated its half-century anniversary in 2013. For more than 50 years, it has been constantly modernized, and now it meets all modern standards and requirements

Industrial fans: specifications, types, purpose

Industrial fans: specifications, types, purpose

Last modified: 2025-01-24 13:01

Establishing an efficient and reliable air ventilation system at the enterprise is the first step towards creating comfortable conditions for employees. Ventilation of premises can be carried out in a natural and forced way. In the second case, industrial fans are required for operation, the technical characteristics of which will determine the efficiency of the entire ventilation system

What is tempered glass: features of production, processing and applications

What is tempered glass: features of production, processing and applications

Last modified: 2025-01-24 13:01

How is tempered glass different from regular glass? A description of the production process and the specifics of processing will help to find the answer to this question. Methods for determining tempered glass and possible options for cutting it without the use of special equipment

Fraction is an important parameter when choosing crushed stone and sand for construction

Fraction is an important parameter when choosing crushed stone and sand for construction

Last modified: 2025-01-24 13:01

Without sand and gravel, it is impossible to produce the most common building material - concrete, and to carry out any construction work. Depending on the needs, the desired fraction is selected, which is provided for by building standards. How to make the right choice, consider below

Power engineering. Factories in Russia

Power engineering. Factories in Russia

Last modified: 2025-01-24 13:01

Energy engineering is something without which the existence of the human race is unthinkable today. The creation of power units of this kind is a priority for any state

Welding arc temperature: description, arc length and conditions for its appearance

Welding arc temperature: description, arc length and conditions for its appearance

Last modified: 2025-01-24 13:01

Today, welding is a process that is used quite often when it is necessary to connect two metal parts together. However, few people understand exactly how welding works, as well as what is the temperature of the welding arc and what causes it

Technology of electric arc welding of metals

Technology of electric arc welding of metals

Last modified: 2025-01-24 13:01

The impact of an electric arc on the structure of a material is one of the oldest ways to obtain a strong connection between metal workpieces. The first technological approaches to this welding method had a lot of disadvantages associated with the porosity of the weld and the formation of cracks in the working area. To date, manufacturers of equipment and auxiliary devices have significantly optimized the method of electric arc welding, expanding the scope of its use

Voskhod baking ovens - types, characteristics

Voskhod baking ovens - types, characteristics

Last modified: 2025-01-24 13:01

Among Russian manufacturers of industrial equipment for bakery production, the Voskhod brand from Saratov stands apart. Its assortment is wide enough to have something for a small "home business" bakery and for large-scale production. We will devote this article to the thermal equipment of the Saratov manufacturer

Green roof: benefits and types

Green roof: benefits and types

Last modified: 2025-01-24 13:01

Green roofing is an original solution for roof decoration, which, in addition to aesthetic, also has a protective function

Why is a simple pencil called "simple"? How is the hardness of a pencil marked in different countries?

Why is a simple pencil called "simple"? How is the hardness of a pencil marked in different countries?

Last modified: 2025-01-24 13:01

From early childhood and throughout our lives, we constantly use pencils, both simple and colored. For some professionals, the hardness of a pencil is an important part of their profession. How to find out the hardness of a pencil by marking, and also for what purposes they can be used, is described in this article

Nuclear power plants. Nuclear power plants of Ukraine. Nuclear power plants in Russia

Nuclear power plants. Nuclear power plants of Ukraine. Nuclear power plants in Russia

Last modified: 2025-01-24 13:01

Modern energy needs of mankind are growing at a gigantic pace. Its consumption for lighting cities, for industrial and other needs of the national economy is increasing. Accordingly, more and more soot from burning coal and fuel oil is emitted into the atmosphere, and the greenhouse effect increases. In addition, there has been more and more talk in recent years about the introduction of electric vehicles, which will also contribute to the increase in electricity consumption

Ball mill - grinding device

Ball mill - grinding device

Last modified: 2025-01-24 13:01

Laboratory ball mill for wet and dry grinding of various samples of materials is used in a small production or a special laboratory. This equipment is used to prepare small batches of material, as well as to simulate the processes of grinding raw materials

Guided missile "Vikhr-1": performance characteristics. OJSC "Concern "Kalashnikov""

Guided missile "Vikhr-1": performance characteristics. OJSC "Concern "Kalashnikov""

Last modified: 2025-01-24 13:01

Tanks, having barely appeared for the first time on the battlefield, had a tremendous impact on the entire military thought of that time. Anti-tank rifles, special ammunition appeared instantly, regimental artillery experienced a rebirth

NPP-2006: the project of a new generation Russian nuclear power plant

NPP-2006: the project of a new generation Russian nuclear power plant

Last modified: 2025-01-24 13:01

Oddly enough, but today one of the cleanest types of energy is considered … atomic! And, in general, quite justified. Yes, nuclear power plants produce hazardous types of waste, but their amount is relatively small, and mankind has long learned how to melt them into a glassy substance that does not corrode and can be stored in underground bunkers for thousands of years

Project 971 - a series of multi-purpose nuclear submarines: characteristics

Project 971 - a series of multi-purpose nuclear submarines: characteristics

Last modified: 2025-01-24 13:01

Submarines have long been the main strike force of our fleet and a means of countering a potential enemy. The reason for this is simple: historically, our country did not work out with aircraft carriers, but missiles launched from under water are guaranteed to hit any point on the globe

Mi-8AMTSh transport and assault helicopter: description, armament

Mi-8AMTSh transport and assault helicopter: description, armament

Last modified: 2025-01-24 13:01

Helicopters, having first appeared in their modern form, immediately attracted the close attention of both national economy specialists and the military. This was due to their versatility, suitability for use in those conditions where the aircraft were completely useless. With their help, it was possible to pick up sailors from a sunken ship, and evacuate a landing group directly from the mountainside

T-90S tank: characteristics, photo, export

T-90S tank: characteristics, photo, export

Last modified: 2025-01-24 13:01

After the appearance of "Armata" at last year's Victory Parade, the thoughts of many fans of armored vehicles are chained precisely to the novelty of domestic tank building. At the same time, the Russian T-90S Tagil practically went into the shadows

T-80U tank with a gas turbine engine: type of fuel and specifications

T-80U tank with a gas turbine engine: type of fuel and specifications

Last modified: 2025-01-24 13:01

It just so happens that almost all MBTs (main battle tanks) in the world have a diesel engine. There are only two exceptions: T-80U and Abrams

T-4 attack and reconnaissance aircraft: specifications, description, photo

T-4 attack and reconnaissance aircraft: specifications, description, photo

Last modified: 2025-01-24 13:01

About 20 years after the end of World War II, the Soviet command realized how severely underestimated American aircraft carriers

ZU-23-2 anti-aircraft gun: characteristics, technical description, photo

ZU-23-2 anti-aircraft gun: characteristics, technical description, photo

Last modified: 2025-01-24 13:01

During the Great Patriotic War of 1941-1945, our army faced two sad circumstances: the almost complete absence of heavy machine guns and anti-aircraft installations

"Lee-Enfield" - an English rifle. Description, characteristics, photo

"Lee-Enfield" - an English rifle. Description, characteristics, photo

Last modified: 2025-01-24 13:01

World weapons history knows many cases when some rifles became a real "face" of their time. This was our “three-ruler”, the same was the Lee-Enfield rifle. Until now, collectors around the world can pay a decent sum to any lucky person who can offer them a sample of this weapon in perfect condition. In the UK itself, rifles of this type have the same significance as the legendary “mosquito” has in our country

Directional drilling: advantages and disadvantages

Directional drilling: advantages and disadvantages

Last modified: 2025-06-01 07:06

In recent years, construction is coming out of a protracted crisis, the number of houses under construction, industrial complexes, roads, and other infrastructure facilities is increasing. Accordingly, high-tech engineering techniques are becoming more and more in demand, allowing to reduce time and labor costs