Example: barber
Longwall
Found 2 free book(s)
Glossary of Mining Terminology - Miners' Museum
www.minersmuseum.comIn some longwall operations, chocks are left to ease pressure of the crushed roof and prevent it spreading to the coal face. Choke Damp - A loosely used term for carbon monoxide and carbon dioxide. Cleat or Cleavage - The term applied to the natural forces, or planes of division, causing
THE COAL MINES REGULATIONS, 1957 - DGMS
www.dgms.netthe case of “longwall” workings, coal has been extracted but which is not a working place; (14) “Incline” means an inclined passage or road either on the surface or below ground; (15) “Inset” means a landing or platform in a shaft, and includes an excavation therefrom between the top and the bottom of the shaft;