Ключевые слова: architectural, architecture, background, beam, below, building, built, business, ceiling, channel, concept, construction, design, development, estate, exterior, factory, frame, framework, girder, high, housing, indoors, industrial, industry, inside, interior, iron, large, light, line, metal, metallic, metalroofing, metalsheet, modular, panel, perspective, plant, prefabricated, roof, roofbeam, space, steel, store, structure, support, technology, urban, wall,