Ключевые слова: activity, blade, bucket, build, bulldozer, business, coal, construction, construction site, development, dig, digger, earth, engineering, environmental, equipment, excavation, excavator, gravel, ground, heavy, hydraulic, industry, labor, land, landscape, loader, machine, machinery, manufacturing, mine, mineral, mover, open pit, ore, quarry, road, sand, scoop, shovel, site, sky, soil, sun, sunrise, sunset, technology, vehicle, work,