19 HAULAGE EQUIPMENT-NAMELY, RUBBER TIRED MINE TRACTORS, CRAWLER TREAD TRACTORS, RUBBER AND RAIL WHEEL CARS, TRAILERS, PERSONNEL TRAILERS, MINE SUPPLY CARS, SELF-UNLOADING TRAILERS, BOSS CARS, UTILITY TRUCKS, MATERIAL HAULING CARTS, GRAVITY DUMP CARS, HYDRAULIC DUMP CARS AND MECHANICAL DUMP CARS