Sentence Examples

  • The cost of underground haulage is lessened by the use of cars of large capacity.
  • As the mine is opened the deposit is subdivided into blocks of convenient size by parallel passages, which form later the main haulage roads, and by transverse openings for ventilation.
  • In steeply inclined beds the working-place can be so arranged that the mineral will fall or slide from the place where it is broken down to the main haulage road.
  • As already noted large pillars must always be left to protect shafts, adits and the more important mine-passages necessary for drainage, ventilation and the haulage of mineral.
  • The main haulage tracks are laid at the bottom of the stope, which thus forms the level.

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