Ключевые слова: architecture, building, built, column, concrete, construction, crane, crawler, deep, derrick, diesel, dirt, drill, drive, driver, driving, earth, engine, engineering, equipment, excavator, foundation, frame, ground, hammer, heavy, industrial, industry, land, machine, machinery, mechanical, mobile, outdoors, pile, piling, power, progress, project, reinforced, site, soil, steel, support, technology, tractor, vehicle, work, working, workplace,