Back — The roof or upper part in any underground mining cavity. Backfill — Mine waste or rock used to support the roof after coal removal. Barren — Said of rock or vein material containing no minerals of value, and of strata without coal, or containing coal in seams too thin to be workable.
Products. At Terex MPS we produce a range of crushing of screening equipment to suite all your crushing and classifying needs. Whether you're on the move, need a temporary solution, or have a large static operation, our Cedarapids, Simplicity and Canica brands will have the equipment for your needs.
Although employment for hundreds of occupations are covered in detail in the Occupational Outlook Handbook, this page presents summary data on additional occupations for which employment projections are prepared but detailed occupational information is not developed.