Synonyme wurden verwendet für:
Kohle
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keywords:(Kohle)
Shuttle car haulage in difficult conditions
Shipping coal by the aerial wire rope system at Port Morien, Cape Breton
Shipping coal at Swansea docks
Selection of a Practicable Shearer Loader Based on Mechanical Properties of Coal for Parvadeh 1 Mine
Safety record of coal industry shows improvement despite increasing hazards
Safety problems in connection with operation of rubber-tired shuttle cars
Safety problems in coal mining