What is rat hole mining?can someone plz explain
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Rat hole mining is a term used in coal mining and is so named because of its name during colonial times, the sistema del rato, and because of the sizes of the holes.
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The mining is done by digging small holes into the ground, much like the... Rat hole mining is a term used in coal mining and is so named because of its name during colonial times, the sistema del rato, and because of the sizes of the holes.
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