Synonyme wurden verwendet für:
Manganese
•
mining
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keywords:(Manganese mines and mining)
Safety evaluation of underground diesel equipment
Marysville: Northern diggings' base
Rational limits in use of motor trucks and railroad transportation in open pits of Noril'sk combine
Maximum range of railroad gradients in open pits
Economic and reliable systems of automatic control of underground transportation
Increase in cost of transport of ores and metals
Inflex system for freight car traffic monitoring on mine railroads
Utah copper company builds railroad tunnel
Investigation of open pit transportation control by means of computers
Experience with diesel haulage units-underground
Fahrwerke der kontinuierlich arbeitenden Tagebaugeraete
Airplane transport to remote Peruvian mines
Handling freight to outlying mining operations