Synonyme wurden verwendet für:
Coal mines and mining
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keywords:("Coal mines and mining")
Tonnage raised by adoption of shuttle-car gathering
Track brakes for man-riding vehicles
Shuttle car haulage in difficult conditions
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
Underground haulage with locomotives and mine cars
Accidents at coal face and their prevention
Haulage traffic expedited by dispatching
New on-track shuttle car boosts loading time at face
Safety of underground transport
Face pressure and cleat in underground workings
Face pressure and cleat in underground workings
Entry driving with cable reel shuttle cars
In mine transportation good track plus planned haulage equals safety and efficiency