Synonyme wurden verwendet für:
Coal mines and mining
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keywords:("Coal mines and mining")
Underground transportation in coal mines
Shuttle cars from face to intermediate Haulage
Inspection and correction of damage to railways caused by mining in Saar
Report on Haulage accident at Newcraighall Colliery
Mobile loading into shuttle cars increases
Trolley wire locomotive haulage
Trolley wire locomotive haulage
Use of trolleyphones speeds mainline haulage
Efficient haulage depends on power distribution
Aerial tramway is transportation link at Pond Creek
Results of study of hydraulic transportation of stowing material
Safety aspects of underground transport in coal mines
History of development unit in low hazel seam at gedling colliery
Haulage accidents in south-western division