Synonyme wurden verwendet für:
Bergbau
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keywords:(Bergbau)
The prevention of haulage accidents
Haulage accidents in coal mines
Handling freight to outlying mining operations
Haulage delays: Causes and remedies
Safety record of coal industry shows improvement despite increasing hazards
Man-riding haulages in Lancashire
Accidents at coal face and their prevention
Bituminous strippers install shovels and draglines and adopt larger automotive haulage units
Automatic track-brake system for man-haulage
Lancashire man-riding haulage practice