Uploaded July 2013 | Updated September 2026, 3 weeks ago

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Presentation on state-of-the-art in coal mining. Electric coal cutter, loader, train, air compressor, water pumping, ventilation, hoisting in shaft mines. Power generation at mine. Drift mining. Surface mining: electric shovels, conveyors, spiralizers (centrifugal separator for removing rock). Coal barges and coal trains.