Ключевые слова: air, aluminum, architecture, background, blade, building, chimney, circulation, conditioner, conditioning, construction, cooling, detail, duct, engineering, estate, exchange, factory, fan, fresh, heat, house, industrial, industry, infrastructure, interior, metal, metallic, old, pipe, pump, real, roof, roofing, rooftop, rotate, rust, silver, smoke, steel, structure, system, temperature, texture, top, tube, vent, ventilation, warm,