Question

what is rat-Hole mining ​

Answer 1

Rat hole mining is a term used in coal mining, and is so named because of its name during the colonial times, the sistema del rato, and because of the size of the holes.. the mining is done by digging small holes into the ground much like holes dug by rats.

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Answer 2

Despite a ban, rat-hole mining remains a prevalent practice in Meghalaya, where a mine has collapsed and 15 workers are feared dead. ... LAST WEEK, the collapse of a coal mine in Meghalaya’s East Jaintia Hills, trapping at least 15 workers who were still missing until Wednesday