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what equipment is used to create coal

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Machines used in coal mining career trend more than two-thirds of coal extracted underground is done by a continuous miner a tractor with a mounted cylindrical grinder that breaks coal away from the seamthe continuous miner deliberately leaves undisturbed pillars of rock and coal in the mining area to create natural supports for the ceilingthis is known as room and pillar mining .If you want to learn about our products , please call or write mail consultation.

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