Ключевые слова: activity, apartment, architecture, buildings, built, business, cement, civil, colored, concrete, construction, crane, development, engineering, equipment, estate, factory, frame, gray, heavy, high, home, house, housing, industrial, industry, iron, machinery, mixer, occupation, operator, outdoors, overhead, picking, plan, reinforcement, residential, rest, scaffolding, shine, site, sky, skyscraper, steel, structure, sunset, tall, urban, work, worker,