Ключевые слова: apartment, architecture, assembling, blue, building, business, cement, clouds, concrete, condominium, construct, construction, crane, development, elevation, engineering, equipment, erect, estate, frame, guard, high, hotel, industrial, industry, infrastructure, job, landscape, large, metallic, new, occupation, project, property, protection, safety, scaffolding, site, sky, steel, structure, tree, up, urban, workplace,