Ключевые слова: above, aerial, background, black, carrier, coal, copter, crane, dirt, earth, ecology, energy, environment, equipment, excavation, excavator, extraction, factory, fly, fossil, fuel, geology, gravel, heavy, industrial, industry, land, landscape, large, machine, machinery, mine, mineral, mining, nature, open, pit, power, production, quarry, raw, rock, russia, soil, surface, technology, top, transportation, vehicle, view,