Ключевые слова: bucket, car, cargo, cave, cavern, coal, deep, dig, digger, discovery, dumper, earthmover, equipment, excavate, excavating, excavation, excavator, exploration, extract, gold, hard, haulage, heavy, industrial, industry, inside, large, load, loader, machine, machinery, mine, miner, mining, mover, ore, road, rock, scoop, shovel, stone, tractor, transport, transportation, truck, tunnel, underground, vehicle, wheel,