Ключевые слова: action, activity, backhoe, blade, blue, boom, bucket, building, bulldozer, construction, cut, development, dig, digger, digging, dirt, earth, engineering, equipment, excavate, excavation, excavator, gravel, ground, heavy, horizontal, hydraulic, industry, land, loader, machine, machinery, mine, mining, mover, outdoors, pit, platform, quarry, sand, scoop, shovel, site, sky, soil, tractor, vehicle, work, working, yellow,