Ключевые слова: activity, background, backhoe, big, bucket, build, bulldozer, construction, construction site, contractor, crawler, development, dig, digger, dirt, dredger, earth, engineering, equipment, excavate, excavating, excavation, excavator, gravel, ground, heavy, hydraulic, industrial, industry, loader, machine, machinery, mover, outdoor, pipe, power, reinforced concrete, road, sand, scoop, shovel, site, sky, soil, sun, technology, tractor, vehicle, work,