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Bergbau
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keywords:(Bergbau)
Switches for underground electric locomotive traction
Foremanship training proves good foundation for safety
The prevention of haulage accidents
Haulage accidents in coal mines
Handling freight to outlying mining operations
Winning and transport of raw materials used in ceramic industries: discussion
Haulage delays: Causes and remedies
Betriebskosten und Selbstkosten der Zechenbahnen
Safety record of coal industry shows improvement despite increasing hazards