Ключевые слова: abstract, aeration, backdrop, background, baffles, concrete, conditioner, conditioning, detail, duct, filter, frame, grating, gray, grey, grid, grill, industrial, industry, lattice, line, lined, louvered, louvers, louvres, mesh, metal, mount, pane, panel, parts, pattern, rough, row, slat, stripe, striped, surface, texture, textured, trellis, uneven, vent, ventilation, ventilator, wall,