Ключевые слова: car, career, cast, coal, construction, deep, dig, digger, drive, dump, earth, ecology, editorial, environment, equipment, excavation, exploration, extracting, ferric, freight, geology, goods, heavy, industrial, industry, large, locomotive, machine, material, metal, mine, mineral, mover, nature, open, openpit, ore, production, quarry, removing, shovel, size, super, train, truck, vehicle, wagon, yellow,