Ключевые слова: activity, big, building, bulldozer, cabin, clear, cloudscape, construct, construction, development, dig, digger, digging, dirt, dozer, duty, earth, engineering, equipment, excavation, excavator, gravel, ground, heavy, horizontal, hydraulic, industrial, iron, land, machine, machinery, metal, mover, mud, nobody, objects, panoramic, power, sand, scoop, scraper, site, sky, track, vehicle, work, yellow,