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Chapter II <br /> Reclaim conveyor system. <br /> Function: Transports coal from storage to wash plant for processing. <br /> Shuttle car. <br /> Function: Transports coal from a continuous miner to the feeder breaker. <br /> Feeder breaker. <br /> Function: Used in a continous mining section to size and meter coal as it's going <br /> onto the entry belt conveyor. <br /> Entry belt conveyor. <br /> Function: transports coal from the working section to the tunnel belt. <br /> Truck. <br /> Function: Transports men/materiel through the Adit, between surface and the <br /> underground workings. <br /> Hoist. <br /> Function: Used to transport men/materiel into the mine through the surface portals. <br /> (3) Roof Support <br /> Longwall shields. <br /> Function: roof support for the longwall face. Shields advance with the longwall face. <br /> Roof bolting machines. <br /> Function: Used to install roof bolts, which function as permanent roof support. <br /> Packwall equipment. <br /> Function: Used to propel cement/aggregate mixture to provide support and protect <br /> access ways to and from the face. It's necessary for the advancing longwall system. <br /> The mixture goes into forms at the headgate and tailgate of the longwall, and then <br /> hardens. <br /> (4) Other Support. <br /> Ventilation fan. <br /> Function: Circulates fresh air through the mine which is essential for people in the <br /> mine (to breath) and also for dilution and removal of methane and harmful gases. <br /> Rockdusting equipment. <br /> Function: to convey and distribute pulverized limestone on the mine surfaces. <br /> Consists of pressure tanks and pipelines. Rockdusting is necessary to reduce the <br /> risk of mine explosions. <br /> The major equipment, and its use in surface operations is as follows: <br /> 5 <br />