Ключевые слова: architecture, assembly, background, beam, blue, building, built, business, city, construction, design, detail, engineer, engineering, estate, exterior, frame, framework, galvanized, girder, high, house, industrial, industry, iron, material, metal, modern, new, office, outdoor, pattern, project, purlin, roof, site, sky, steel, steelwork, structural, structure, technology, truss, unfinished, urban,