Synonyme wurden verwendet für:
Steinkohlenbergbau
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keywords:("Steinkohlenbergbau")
Entry driving with cable reel shuttle cars
Face pressure and cleat in underground workings
Face pressure and cleat in underground workings
In mine transportation good track plus planned haulage equals safety and efficiency
Safety problems in coal mining
Underground haulage with locomotives and mine cars
Accidents at coal face and their prevention
Extraction of stoops by shuttle cars and loaders
Haulage accidents in coal mines
A haulage system with gathering locomotives only
A haulage system with gathering locomotives only
Safety problems in connection with operation of rubber-tired shuttle cars
Underground transportation in coal mines
Shuttle cars from face to intermediate Haulage
Trolley wire locomotive haulage
Safety aspects of underground transport in coal mines