Synonyme wurden verwendet für:
Bergbau
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keywords:(Bergbau)
Automatic rope haulage clip for mine cars
Shuttle car haulage in difficult conditions
Track-mounted surge cars speed entry development
Armadillo heavy duty face conveyor
New on-track shuttle car boosts loading time at face
Air lift to labrador iron fields
Advantages of moving iron ore by underground conveyors
Transportation problem solved with belt conveyors
Trolley wire locomotive haulage
Shuttle cars -- Room-and-pillar retreat mining in thin seam