Ключевые слова: auto, autumn, background, big, bucket, building, bulldozer, close, colorful, construction, conveyance, dig, dirt, drainage, earth, end, equipment, excavation, excavator, front, haulage, heavyduty, industrial, industry, loader, machine, machinery, mining, modern, pit, red, shovel, soil, steer, technology, tires, tractor, truck, vehicle, wheel, work,