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What are coal miners doing in the well? How to work
Coal mining is carried out in the mining face, which is more dangerous than other types of work.
Mining is responsible for the development of mines, that is, coal mining and road construction.
Ventilation is responsible for underground airflow to ensure that the gas does not exceed the standard.
Electromechanical equipment is the equipment to ensure underground safety.
Transportation is to ensure the smooth transportation of coal and excavated gangue from the coal mining face to the ground.
Extended data
Environmental characteristics of underground engineering
Production harmful factors
1, chemical factors: dust, carbon monoxide and nitrogen oxides.
2. Physical factors: high temperature, high humidity and darkness.
3. Other factors: high labor intensity, poor working posture and no fixed canteen.
4. Coal miners are prone to trauma, skin suppuration, colds, bronchitis, chronic gastritis, silicosis, coal miners' pneumoconiosis, etc.
Baidu encyclopedia-underground workers
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