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