Ключевые слова: big, building, bulldozer, clear, construct, construction, development, dig, digger, dirt, dozer, duty, earth, engineering, equipment, excavation, excavator, gravel, ground, heavy, horizontal, hydraulic, industrial, industry, iron, isolated, land, machine, machinery, metal, mine, mover, panoramic, piston, power, quarry, road, sand, scoop, scraper, shovel, site, sky, track, vehicle, work, yellow,