COAL-MINING WASTE Crossword Clue
COAL-MINING WASTE Crossword Clue
We know 1 solutions for: COAL-MINING WASTE
Crossword Puzzle Infos
Coal-mining waste, also known as SLAG, is a byproduct of the coal mining process. SLAG is composed of the noncombustible components of coal that remain after combustion and is usually disposed of in landfills. It can contain toxic metals and other hazardous substances, making it a potential environmental hazard.