Being frequently involved in area classification studies as the so-called expert, the . Mines. Although coal mines are traditionally the prime focus for explosion.
coal-bunker: A place for storing coal for use; specifically, in steamships, the . a coal bunker in Occidental, Washington; Occidental Washington, mining coal.
ATEX classification steps for defining hazardous areas into established zones of protection according to . Mining, Continuous, I, M2, Methane, coal dust, Mb