excavator, loader, conveyor, digger, dozer, drill rig, mines, crane, backhoe, drilling rig, trencher, forklift, earthmover, auger, bulldozer, quarry, dredger, coal, skidder, opencast, lumbermill, ore, coiler, crusher, unloader, bandsaw, cotton picker, coal mine, tramming, stope, opencast mining, pipelayer, winze, tractor, coring, stellite, shaft, coalmine, winch, steelwork, trommel, sawmill, compaction, opencut, concrete mixer, conveyer, rigs, posthole, baler, smelter, pulverizer, sinter, windlass, posthole digger, coal miner, comminution, slitter, steel mill, arc furnace, drydock, treadle, caissons, machinery, moldboard, extruder, planer, surface mine, coal seam, reclaimer, scrubber, railcar, excavation, truss bridge, capstan, mill, dam, ferromanganese, blast furnace, turbines, falsework, formwork, slewing, barite, milling machine, barges, tinning, froth flotation, jointer, harvester, trunnion, gravel, oilwell, collieries, joist, iron ore, smelting, lathe, flume, oiler, earthworks, swather, tailrace, shovel, dredge, incinerator, clipper, locomotive, submarine, airship, asteroid, battleship, bomb, catapult, cooker, diesel