Synonyme wurden verwendet für:
Bergbau
Suche ohne Synonyme:
keywords:(Bergbau)
The steam tractor hauling ore in Washington
The menace from the direction of Urga
Gathering without animals locomotives or conveyors
Experience with underground diesels
LKAB's rail haulage control system optimizes ore yield
Hard-facing on wheels of mine cars and locomotives
Experience with diesel haulage units-underground
Economic and reliable systems of automatic control of underground transportation
New machine for loading and ore handling
Safety evaluation of underground diesel equipment
Efficient use of railway wagons
Evolution of truck haulage at Enos
Shuttle car haulage in difficult conditions
Shuttle cars in room-and-pillar block retreat panel system
Bituminous strippers install shovels and draglines and adopt larger automotive haulage units
Electronically controlled braking and transportation devices in mine car circulation
Shuttle-car accidents in thick seams
Solid tires on shuttle cars cut operating costs
Automatic rope haulage clip for mine cars
Track-mounted surge cars speed entry development
Transportation problem solved with belt conveyors
A haulage system with gathering locomotives only
Air lift to labrador iron fields
Aerial tramway is transportation link at Pond Creek
Armadillo heavy duty face conveyor
New on-track shuttle car boosts loading time at face
Experiments into practical application of Hunslet diesel tractor at Merry Lees Colliery