Ключевые слова: activity, bucket, cast, cloud, coal, construction, cut, development, dig, digger, earth, engineering, equipment, excavate, excavating, excavation, excavator, ground, grub, heavy, hydraulic, industry, land, large, loader, machine, machinery, mine, mover, open, pit, power, quarry, sand, sandpit, scoop, shovel, site, sky, soil, vehicle, working,