Ключевые слова: activity, asia, auto, back hoe, backhoe, big, black, bulldozer, car, claw, coal, construction, danger, demolish, diesel, dig, digging, dirt, driver, dump, earth, energy, environment, equipment, excavator, fill, haul, heavy, hoe, huge, indonesia, industry, large, loader, loading, machines, mining, mover, moving, open, outdoor, quarry, rocks, shipping, site, stockpile, tractor, transport, transportation, truck, trucks, up, vehicle, work,