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�equested By . s ib 03, <br />EXHIBIT D <br />Instrument Book Page <br />200804696948 OR 1075 1969 <br />Definitions Relating to Underground Mine Workings <br />Facilities and Spaces Definition <br />CROSSCUTS: A small passageway driven at right angles to the main entry to <br />connect it with a parallel entry or air course. <br />ENTRY: An under ground passage used for haulage or ventilation or as a <br />manway. <br />POCKET: Area where coal is dumped at the bottom of the belt that runs <br />from the inside of the mine to the surface. <br />PORTAL: An entrance to a mine. (This mine has two entry portals, one <br />for rail and one for conveyor belt.) <br />Eauip and Related Items Def_ coition <br />CONTINUOUS MINER: <br />A mining machine designed to remove coal from the face <br />and load that coal into shuttle cars or a conveyor. <br />CONVEYOR BELT: <br />A belt used to carry a load from a receiving point to a <br />discharge point. <br />FEEDER BREAKER: <br />An electric powered machine that sets at the belt tail or side <br />where the shuttle car dumps its load. The breaker has a <br />chain conveyor and pickpoints to break any large pieces of <br />coal. <br />HIGH VOLTAGE CABLES: <br />Electric cable that supplies power to all sections of the <br />mine. High voltage is considered 1001 volts and higher. <br />(At this mine 2/0 cable is used.) <br />LOCOMOTIVES: <br />Electric engine operated from current supplied by the <br />rectifier through a trolley and tract. (At this mine <br />locomotives are 10 ton or 20 ton.) <br />LOW VOLTAGE CABLE: <br />Electric cable that supplies power to all areas of the mine <br />that require low voltage power of 0 -600 volts. <br />MINE FAN: <br />A ventilator used to blow or exhaust the necessary air <br />current to ventilate the mine workings. <br />