Ключевые слова: air, aluminum, appliance, architecture, building, business, chimney, cold, condenser, conditioning, construction, cooler, cooling, duct, electric, electricity, energy, engineering, equipment, exhaust, exterior, factory, fan, heat, hvac, industrial, industry, large, metal, modern, nobody, office, outdoor, outdoors, pipe, pollution, power, production, regulate, roof, rooftop, sky, stainless, steel, structure, system, technology, urban, vent, ventilation,