Ключевые слова: air, aluminum, architecture, background, building, ceiling, circulation, cold, commercial, conditioner, conditioning, construction, cool, cooling, distribution, duct, electric, electricity, engineering, equipment, factory, fan, heat, hvac, indoor, industrial, industry, infrastructure, installation, interior, large, machinery, mechanical, metal, metallic, modern, new, pipe, pipeline, plant, power, silver, steel, system, technology, temperature, tube, vent, ventilate, ventilation,