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Bergbau
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LKAB's rail haulage control system optimizes ore yield
Hard-facing on wheels of mine cars and locomotives
Development of trackless transportation in Styrian Ersberg
Gobbin quarry and railway at the Saint-Etienne collieries
Inflex system for freight car traffic monitoring on mine railroads
Utah copper company builds railroad tunnel
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