Industry
3
In a continuous miner section, the continuous miner cuts and conveys coal from the mine to a waiting shuttlecar parked underneath the miner's tail section. When eight tons of coal have been loaded onto the shuttlecar, the operator changes seats and drives the shuttlecar to the feederbreaker. At the same time, another shuttlecar moves in to accept coal from the continuous miner. The feederbreaker crushes the coal into softball-size chunks, and the crushed coal is then loaded onto a conveyor belt that transports it out of the mine. A continuous miner section can produce 400 to 600 tons of coal in one eight-hour work shift.
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Helper, Utah · United States
