Ключевые слова: activity, background, blade, bucket, building, bulldozer, construct, construction, contractor, development, dig, dredger, dust, earth, earthmover, engineering, equipment, excavation, gravel, ground, heavy, heavyduty, hydraulic, industrial, industry, land, large, loader, machine, machinery, mover, moving, operator, power, sand, site, soil, technology, tractor, transport, under construction, unloading, vehicle, wheel, work, yellow,