Ключевые слова: big, black, car, career, coal, construction, dig, digger, dump, dumper, dust, earth, energy, equipment, excavation, excavator, extraction, factory, fuel, ground, heavy, huge, industrial, industry, iron, large, loader, machine, machinery, metal, mine, miner, mineral, open, opencast, ore, pit, quarry, rock, shovel, soil, stone, tipper, transport, transportation, truck, vehicle, work, yellow,