Ключевые слова: background, big, black, bright, building, bulldozer, construction, crawler, dig, digger, engine, equipment, hard, hardware, heavy, huge, illustration, industrial, industry, isolated, large, loader, machine, machinery, mechanized, modern, motorized, mover, new, nobody, old, powerful, road, stripes, strong, technical, track, tractor, type, vehicle, vigorous, white, worker, works, yellow,