Ключевые слова: architecture, building, built structure, business, cement, concrete, concrete construction, construction, construction industry, construction site, construction steel, development, dig, digging, earth, earthwork, equipment, excavate, exterior, floor, foundation, frame, framework, ground, home, house, housing, incomplete, industrial, industry, iron, machinery, new, preparation, process, residential house, site, steel, steel construction, structural steel, structure, technology, work, worker, working,