Synonyme wurden verwendet für:
Bergbau
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keywords:(Bergbau)
Discovery and opening of Gortdrum
Chino puts electric wheel truck on trolley line
LKAB's rail haulage control system optimizes ore yield
Eris-Mecanaub monorail with axial traction
Electronically controlled braking and transportation devices in mine car circulation
Big wheel loaders handle many jobs
Hard-facing on wheels of mine cars and locomotives
Experiments into practical application of Hunslet diesel tractor at Merry Lees Colliery
New machine for loading and ore handling
Safety evaluation of underground diesel equipment
Port and railroad unlock Liberia's iron ore deposits
Airlift and lift equipped with container feeders
Some experiences with diesel underground supplies vehicles
Investigation of open pit transportation control by means of computers
Automatic track maintenance underground