Ключевые слова: apartment, architecture, blue, build, builder, building construction, buildings, business, cement, city, concrete, construction, construction site, crane, crane construction, cranes, development, engineer, engineering, equipment, estate, exterior, frame, high, hoist, house, industrial, industry, job, machinery, modern, occupation, operation, project, residential, safety, scaffold, scaffolding, site, sky, skyscraper, steel, structure, technology, tower, tower crane, urban, work, worker,