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Coal Conveyor Safety

0mdg 28 safety requirements for coal stockpiles and reclaim tunnels . 1.4 definitions . 1.4.1 bridging a condition in which the hole above a draw down point for an operating feeder does not manifest at the surface of the coal stockpile. it is also known as doming voiding and cohesive arches. 1.4.2 coal placement.

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