Synonyme wurden verwendet für:
Bergbau
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keywords:(Bergbau)
Switches for underground electric locomotive traction
The steam tractor hauling ore in Washington
The menace from the direction of Urga
Gathering without animals locomotives or conveyors
Lancashire man-riding haulage practice
Experience with underground diesels
LKAB's rail haulage control system optimizes ore yield
Hard-facing on wheels of mine cars and locomotives
Experience with diesel haulage units-underground
Handling freight to outlying mining operations