Coal dust

Coal dust is a fine powder form of coal. Because of the brittle nature of coal, coal dust may occur during mining or transportation, or whenever coal is handled mechanically.

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• Coal dust suspended in air is explosive. Coal dust has far more surface area per unit weight than chunks of coal, and is more susceptible to spontaneous combustion. Note this may mean that a nearly empty coal store is a greater explosion risk than a full one.
• Coal workers' Pneumoconiosis, or black lung disease, is caused by inhaling coal dust, typically dust produced in coal mining.

Powder: Powder is a substance that has been crushed into very fine grains. Several powders are frequently referred to simply as "powder", including:...

Coal: Coal is a fossil fuel extracted from the ground by deep mining, coal mining (open-pit mining or strip mining). It is a readily combustible black or brownish-black sedimentary rock. It is composed primarily of carbon and hydrocarbons, along with assorted other elements, including sulfur. Often associ...

Brittle: : For other uses of Brittle, see Brittle (disambiguation)....

Coal dust related Images and Photos (experimental)

Coal Town	Red Dust (DVD)	Gold Dust	Gold Dust
Gold Dust	Coal Country DVD	Welsh Coal Miners	Coal Country Music CD
Diamond Dust Shoes	Coal Miner's Daughter	Coal Miner's Daughter	Coal Miners Daughter DVD (Widescreen)