dust coal
51Zasyadko coal mine — Zasyadko Mine ( uk. Шахта ім. Засядько) is a coal mining company in Ukraine s eastern city of Donetsk. The manager and alleged owner of the company is Yukhym Zvyahilsky, influential businessman and politician within the Party of Regions. Along… …
52Pulverized coal-fired boiler — A pulverized coal fired boiler is an industrial or utility boiler that generates thermal energy by burning pulverized coal (also known as powdered coal or coal dust). This type of boiler dominates the electric power industry, providing steam to… …
53rock|dust — «ROK DUHST», transitive verb, intransitive verb. to coat (the surfaces of a coal mine) with finely powdered limestone in order to blanket the highly explosive coal dust in the mine …
54In dust and ashes — Ashes Ash es, n. pl. [OE. asche, aske, AS. asce, [ae]sce, axe; akin to OHG. asca, G. asche, D. asch, Icel. & Sw. aska, Dan. aske, Goth. azgo.] 1. The earthy or mineral particles of combustible substances remaining after combustion, as of wood or… …
55rock dust — noun : pulverulent rock (as shale or limestone) used in rock dusting called also stone dust * * * a crushed limestone sprayed on surfaces in mines to make coal dust incombustible in case of a gas explosion. [1930 35] …
56rock-dust — ˈ ̷ ̷ˌ ̷ ̷ transitive verb Etymology: rock dust : to spread or distribute rock dust in (coal mine workings) to reduce the explosion hazard …
57Pneumoconiosis, coal miner’s — Also known as black lung disease, this lung disorder is the direct result of coal mining. The silica mineral and carbon in the dust raised by coal mining can cause a serious chronic lung disease. Emphysema occurs first, followed by scarring and… …
58rock dust — a crushed limestone sprayed on surfaces in mines to make coal dust incombustible in case of a gas explosion. [1930 35] * * * …
59bug dust — noun : fine coal produced in mining with a cutting machine …
60respiratory disease — ▪ human disease Introduction any of the diseases and disorders that affect human respiration (respiration, human). Diseases of the respiratory system may affect any of the structures and organs that have to do with breathing, including the… …
