dust coal
1Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …
2Coal dust — is a fine powdered form of coal, which is created by the crushing, grinding, or pulverizing of coal. Because of the brittle nature of coal, coal dust can be created during mining, transportation, or by mechanically handling coal. Contents 1 Risks …
3coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
4coal dust — noun Coal in fine powder • • • Main Entry: ↑coal …
5dust — ► NOUN 1) fine, dry powder consisting of tiny particles of earth or waste matter. 2) any material in the form of tiny particles: coal dust. 3) an act of dusting. ► VERB 1) remove dust from the surface of. 2) cover lightly with a powdered… …
6coal — [ koul ] noun *** uncount a hard black substance that is dug from the ground and burned as fuel to provide heat: Put some more coal on the fire. coal dust a piece/lump of coal a. uncount used for talking about the industry of digging coal out of… …
7dust explosion — noun An explosion resulting from the ignition of small concentrations of flammable dust (eg coal dust or flour) in the air • • • Main Entry: ↑dust …
8Coal|sack — «KOHL SAK», noun. one of two large, dark markings in the Milky Way, due to obscuring clouds of cosmic dust, especially the one near the Southern Cross: »... studies of the southern Coalsack, the most distinct dark nebula of our Milky Way… …
9Dust explosion — A dust explosion is the fast combustion of dust particles suspended in the air in an enclosed location. Coal dust explosions are a frequent hazard in underground coal mines, but dust explosions can occur where any powdered combustible material is …
10Dust — For other uses, see Dust (disambiguation). A dust storm blankets Texas homes, in 1935. Dust consists of particles in the atmosphere that arise from various sources such as soil dust lifted up by wind (an Aeolian process), volcanic eruptions, and… …
