Considering its current definition (see below) and the wish to be politically correct, I wonder whether the word has come to acquire any racist overtone.
What is a coal miner hewer-Ask.com. Coal miner hewer is a person who hews or cuts the coal from its natural situation. The hewer is the actual coal-digger removing it from the coal face.
Coal slurry is a mixture of solids and liquids produced by a coal preparation plant. As a slurry, coal is separated from non-combustable components and can be fractionated by particle size as well. Coal slurry can be transferred by pipeline or with specialised pumps such as a progressive cavity pump to pump the highly abrasive, corrosive and viscous coal slurry. The scale of water usage and hence potential costs and problems is large. More than 7 billion tons of coal are mined per year, using ap