Ключевые слова: activity, building, bulldozer, caterpillar, caterpillar track, construction, construction industry, cut, day, development, dirt, dirtied, dirty, earth, earth mover, engineering, equipment, excavate, excavation, ground, heavy, hydraulic, industrial, industry, land, large, loader, loading, machine, machinery, mine, mover, outdoors, power, quarry, scoop, shovel, shoveling, site, summer, tractor, truck, vehicle, vehicle scoop, work, work platform, yellow,