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Welding terms
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Welding is one of the most commonly used forms of joining two pieces of metal or other materials together. It is important to learn the basic principles of welding and the terminology associated with it.
Welding is the process of joining two pieces of metal or other mate......
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malformed terms
Manifesting Poor Quality
Poor quality is a term used to describe the state of a product or service that does not meet the required quality standards in terms of its design, material, production or performance. Poor quality is a major problem in product design, production and delivery, and it can......
mine shaft
Mineshafts
Mineshafts are tunnels bored deep into the ground in order to extract minerals and ores. This can include precious metals, coal, gemstones, and other minerals. Mineshafts are a common feature of abandoned mines and were once used extensively to extract ore without the need for expensiv......
Support cover type hydraulic self-moving support
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Support type hydraulic self-shift bracket
The support-type hydraulic self-shift bracket is a new type of bracket developed by our company in recent years. This kind of bracket combines the advantages of the traditional bracket and the self-shifting bracket, which is more convenient and efficien......
underground building
Introduction
Underground construction can provide a large number of benefits over traditional aboveground construction, such as reduced noise, aesthetic enhancements and thermal insulation. As construction costs and materials become increasingly expensive, the advantages of underground constructi......
Pingxiang Coal Mine
In Pingxiang City, Provence, lies the Pingxiang Coal Mine. This coal mine supplies some of the best quality coal in the region and has for many decades. The mine has been in operation since the early 1950s and employs over 500 miners. The coal from the mine is sold to both domestic and internation......
deep heat mine ventilation
Deep Mine Ventilation
Most deep mines must use some form of artificial ventilation to ensure that air in the mine is breathable. Ventilation also ensures that toxic gases, such as methane and carbon monoxide, which can cause serious health problems and even death, are not allowed to build up to d......
mine ventilation pressure
Mine Ventilation Pressure
Mine ventilation pressure is an important safety consideration in mine operations. With the current trend towards improving safety, more attention is being paid to both mine pressure and ventilation to ensure a safe working environment underground.
While mine pressure m......
Energy Conservation Equation for Mine Ventilation
Introduction
The energy conservation equation for mine ventilation is an equation that is used to determine the amount of energy consumed in a closed circuit underground mine (CUM). It is based on the principle of conservation of energy, which states that energy is never lost, only transformed. T......
Artificial support mining method
Artificially Supported Mining
Mining is an integral part of the economy, as it is crucial for the production of raw materials and mineral resources. As with all types of industrial activities, mining has its drawbacks. These drawbacks can be divided into environmental, safety, and economic concer......
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