Ключевые слова: abstract, aged, air, architecture, background, closeup, conditioner, conditioning, construction, cooling, design, dirty, durable, filter, frame, grate, grating, gray, grid, grill, grille, grunge, grungy, hard, heavy, hole, industrial, industry, iron, mesh, metal, metallic, old, pattern, plate, rough, rust, rusty, sheet, steel, structure, surface, texture, textured, vent, ventilation, vintage, wall, warehouse, weathered,