Ключевые слова: aeration, car, ceiling, cellar, commercial, conditioner, conditioning, control, cooling, distribution, duct, energy, engineering, equipment, exhaust, factory, fan, garage, heat, hvac, indoors, industry, infrastructure, inside, insulation, machine, maintenance, metal, modern, new, parking, pipe, pipeline, protective, refrigeration, remodel, renovation, repair, roof, steel, structure, system, technical, technology, temperature, thermal, tube, underground, vent, ventilation,