Coal face

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Coal face is in longwall exposed for the extraction area of the coal seam . The old man is on the side of the strut facing away from the coal pile .

literature

Walter Bischoff , Heinz Bramann, Westfälische Berggewerkschaftskasse Bochum: The small mining dictionary. 7th edition, Verlag Glückauf GmbH, Essen, 1988, ISBN 3-7739-0501-7