Ключевые слова: activity, backhoe, blade, borrow, bucket, build, bulldozer, cast, cloud, construction, cut, development, dig, digger, earth, equipment, excavate, excavating, excavation, excavator, gravel, ground, heavy, hollow, horizontal, industry, land, large, loader, machine, machinery, mine, mover, open, pit, power, quarry, sand, sandpit, scoop, shovel, site, sky, soil, vehicle, working,