Ключевые слова: ac, air, appliance, blower, building, cold, compressor, condenser, condition, conditioner, conditioning, cool, cooler, cooling, duct, electric, electrical, factory, fan, flow, heat, hvac, industrial, industry, machine, metal, outdoor, outside, pipe, plant, power, refrigeration, roof, sky, system, technology, temperature, unit, vent, ventilation,