Ключевые слова: aerial, background, big, career, coal, construction, copper, deep, dig, dump, ecology, engineering, environment, equipment, excavation, excavator, geology, gold, heavy, industrial, industry, iron, land, landscape, large, metal, mine, mineral, nature, open, ore, pit, pollution, power, quarry, road, rock, sand, site, sky, stone, surface, technology, transport, truck, vehicle, view, water, work, yellow,