单词	firedamp
释义	firedamp /ˈfʌɪədamp / noun [mass noun] Methane, especially as forming an explosive mixture with air in coal mines.The land, off Newhill Road in Monk Bretton, Barnsley, is one of the worst areas in the country to be affected by methane gas - known by miners as firedamp - leaching through the ground from disused mine workings.... Once, 14-year-olds went down the pit and were vulnerable to explosions of firedamp and coal dust, to rock falls and inrushes of clay, sand and water. Underground in caves there was never really much need for running unless careful planning failed and a shaft fell in, or a patch of firedamp or bad air turned up.
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