Ключевые слова: air duct, aluminium, aluminum, architectural, architecture, backdrop, building, concrete, construction, copy space, corrugated, cover, design, downspout, drainage, exterior, facade, factory, fan, galvanized, industrial, industry, iron, led, line, louver, metallic, nobody, outside, pvc, rainspout, row, siding, silver, sky, solar system, steel, storage, structure, ventilation, wall, wall lamp, warehouse, white,