Sentence Examples

  • 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.
  • The main haulage tracks are laid at the bottom of the stope, which thus forms the level.
  • The working-floors are connected by winzes with the main haulage roads below.
  • 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.