bn:02282339n
Noun Concept
Categories: Dust, Occupational diseases, Powders, Mine safety, Coal
EN
coal dust  coal-dust  coal dust explosion  coaldust  Fine coal
EN
Coal dust is a fine-powdered form of coal which is created by the crushing, grinding, or pulverization of coal rock. Wikipedia
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EN
Coal dust is a fine-powdered form of coal which is created by the crushing, grinding, or pulverization of coal rock. Wikipedia
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