Ключевые слова: architecture, assembly, background, beam, black and white, building, building exterior, built structure, composition, construction, construction frame, construction industry, construction site, design, detail, engineer, exterior, frame, galvanized, home, house, industry, iron, isolated, material, metal, pattern, prefabricated, project, property, purlin, real estate, residence, roof, roof beam, sky, steel, structure, technology, truss, truss roof, working,