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mining coal process fedeer
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    mining process when the coal seam is fractured. methane released in this fashion will escape into the mine works, and will eventually escape into the atmosphere.

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    mining process when the coal seam is fractured. methane released in this fashion will escape into the mine works, and will eventually escape into the atmosphere.

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    coal mining coal preparation: as explained above, during the formation of coal and subsequent geologic activities, in addition, during the process of mining,

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