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Ultimately, the best way of protecting miners from respirable coal dust in longwall mines is to move them away from the face.

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Identification of noise sources on . longwall panels using multiple time-synchronized dosimeters. E.R. Spencer, D.R. Babich, L.A. Alcorn and A.K. Smith

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Longwall mining – Wikipedia, the free encyclopedia. Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice

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Longwall mining - SourceWatch . Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 1-2 m thick).

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Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 1-2 m thick). The longwall "panel