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A bell pit was a type of coal mine in which coal found close to the surface was extracted by sinking a shaft and removing coal from around it until the roof became unstable. It was then abandoned and left to subside. [5] Bind. A term used in various areas to refer to shale, mudstone, clay or sandstone overlying the seam. Bituminous coal
Richard Llewellyn's novel How Green Was My Valley (1939) describes the social and environmental effects of coal mining in Wales at the turn of the 20th century. The local mine's spoil tip, which he calls a slag heap, is the central figure of devastation. Eventually the pile overtakes the entire valley and crushes Huw Morgan's house:
For use in thermal power plants, coal is ground into dust using a device called a powdered coal mill. [1] The resulting product, called powdered coal or pulverized coal, is then generally used in a fossil fuel power plant for electricity generation. Pulverized coal is a significant dust explosion hazard, as large quantities are suspended in air ...
Pitmatic – originally 'pitmatical' [2] – is a group of traditional Northern English dialects spoken in rural areas of the Great Northern Coalfield in England.. The feature distinguishing Pitmatic from other Northumbrian dialects, such as Geordie and Mackem, is its basis in the mining jargon used in local collieries.
Coal refuse (also described as coal waste, rock, slag, coal tailings, waste material, rock bank, culm, boney, or gob [23]) is the material left over from coal mining, usually as tailings piles or spoil tips.
The collapse of an 11-story coal mining plant in Martin County left two workers trapped under the rubble as crews worked to free them Wednesday. One of the workers has since been confirmed dead.
In honor of Black Twitter's contribution, Stacker compiled a list of 20 slang words it brought to popularity, using the AAVE Glossary, Urban Dictionary, Know Your Meme, and other internet ...
[5] [6] While scrip was not exclusive to the coal industry, an estimated 75 percent of all scrip used was by coal companies in Kentucky, Virginia, and West Virginia. [7] Because of this, many derived nicknames for the type of currency originated in the Appalachian mining communities, such as "Flickers," "Clackers," and "Dugaloos." [8]