Ключевые слова: activity, backhoe, blade, blue, bucket, build, building, bulldozer, construction, development, dig, digger, dirt, earth, earthmover, engineering, equipment, excavate, excavation, excavator, ground, heavy, hydraulic, industrial, industry, large, loader, machine, machinery, metal, mine, mover, moving, outdoors, quarry, sand, scoop, shovel, site, sky, soil, track, tractor, transport, unloading, vehicle, work, working, yellow,