Ключевые слова: big, car, coal, construction, dirt, dirty, dump, earth, engine, engineering, equipment, excavation, ground, heavy, high, huge, industrial, industry, large, loader, loading, machine, machinery, metal, mine, mineral, mining, mover, moving, open, ore, pit, power, production, quarry, rock, russia, stone, technology, transport, transportation, truck, vehicle, wheel, wheels, work, worker, yellow,