Sentence Examples

  • The main haulage tracks are laid at the bottom of the stope, which thus forms the level.
  • 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.
  • Haulage roads are driven in the ore so as to divide the floor into areas of convenient size.
  • In this manner one floor after another is worked until the floor containing the main haulage roads of the level below is reached.
  • The floor containing these old haulage roads now becomes the top slice of the one hundred-foot block of ground below and is mined out as described.