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Bergbau
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keywords:(Bergbau)
Haulage by benzol locomotives and by locomotives in general
Haulage traffic expedited by dispatching
Prevention of accidents in collieries
The prevention of haulage accidents
In mine transportation good track plus planned haulage equals safety and efficiency
Foremanship training proves good foundation for safety
Kentucky holds big first aid meet
The menace from the direction of Urga
Truck or cableway -- A comparison of costs
Face pressure and cleat in underground workings
Face pressure and cleat in underground workings
The Tilmanstone aerial ropeway
The Tilmanstone aerial ropeway
Double tracked rooms speed up pit car loading
The Tilmanstone aerial ropeway
Development of transportation to the united verde
Haulage accidents in coal mines
Aerial ropeway for transporting coal