Ключевые слова: abstract, air, aluminum, architecture, array, backgrounds, blue, building, circulation, conditioner, cool, covering, decoration, design, duct, entrance, escape, eye, fan, frame, gray, grid, horizontal, industry, lines, louvers, louvres, metal, objects, old, opening, pane, panel, parts, pattern, rows, shade, shutters, steel, striped, sunlight, textured, textures, vent, ventilation, ventilator, wall, window, wood,