Ключевые слова: aeration, air, background, boiler, building, chimney, conditioning, cooling, deflector, detail, duct, engineering, equipment, exchange, exterior, flue, fresh, funnel, gas, heat, heating, industrial, industry, infrastructure, large, machinery, metal, modern, pipe, power, roof, roofing, smoke, smokestack, solution, steel, structure, supply, systems, technology, temperature, traditional, tube, urban, ventilation, warm,