Ключевые слова: backhoe, big, bulldozer, diesel, digging, dirt, dirty, dozer, environment, equipment, excavate, excavation, excavator, geology, heavy, hydraulic, industrial, industry, iron, large, load, loader, loading, machine, machinery, metal, mine, mineral, mining, moving, operate, ore, outdoor, pit, power, quarry, rock, scoop, stone, transport, transportation, truck, vehicle, yellow,