Ключевые слова: big, bulldozer, construction, dig, digger, digging, dirt, dozer, equipment, excavate, excavating, excavation, excavator, heavy, hydraulic, industrial, industry, isolated, machine, machinery, mechanical, mining, mobile, motor, mover, object, orange, scoop, track, tractor, transport, transportation, truck, vehicle, wheel, wheels, work, worker, working,