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Bergbau
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Accidents at coal face and their prevention
Advantages of moving iron ore by underground conveyors
A haulage system with gathering locomotives only
A haulage system with gathering locomotives only
Air lift to labrador iron fields
Airplane transport to remote Peruvian mines
Automatic track-brake system for man-haulage
Automatic track maintenance underground
Bituminous strippers install shovels and draglines and adopt larger automotive haulage units
Car transporter allows stripping two seams simultaneously at Huntsville-Sinclair Mine
Chino puts electric wheel truck on trolley line