Ключевые слова: big, build, bulldozer, clouds, construct, construction, danger, dig, dirt, dozer, drive, dump, equipment, excavate, excavation, excavator, factory, heavy, hole, huge, hydraulic, industrial, industry, iron, land, machine, machinery, moving, pair, pit, reservoir, sand, shipyard, slope, tractor, transportation, truck, vehicle, wheels, work, worksite, yellow,