Ключевые слова: activity, area, big, blue, build, bulldozer, car, cars, construction, development, dig, digger, dirt, dust, duty, earth, equipment, excavation, excavator, heavy, industrial, industry, job, land, landscape, loader, machine, machinery, massive, mine, mineral, mining, moving, outdoor, power, quarry, scoop, shovel, site, stones, structure, traces, tractor, transport, transportation, truck, uncompleted, vehicle, vehicles, work,