Ключевые слова: activity, architecture, backhoe, build, building, business, city, construction, crane, development, dig, digger, earth, engineering, environment, equipment, excavation, excavator, exterior, heavy, hydraulic, industrial, industry, land, large, loader, machine, machinery, metal, mine, mining, power, project, quarry, sand, shovel, site, sky, steel, technology, tractor, transportation, truck, vehicle, work, working,