Ключевые слова: big, car, career, construction, crater, dig, dredging, earth, environment, equipment, exploitation, extracting, extraction, ground, heavy, huge, industrial, industry, iron, large, layered, machine, machinery, metal, mine, miner, mineral, move, mover, open, ore, pit, power, production, quarry, rock, size, snow, soil, stone, tractor, transport, transportation, truck, vehicle, wheel, work, yellow,