Ключевые слова: activity, background, big, bucket, build, building, bulldozer, construction, contractor, dig, digger, digging, dirt, dozer, earth, engineering, equipment, excavation, excavator, heavy, hydraulic, industrial, industry, loader, machine, machinery, metal, mover, orange, outdoors, power, sand, scoop, shovel, site, soil, tractor, transport, vehicle, work, yellow,