AIR CONDITIONING PLANTS; VENTILATING SYSTEMS COMPRISED OF VENTILATORS FOR INDUSTRIAL AND COMMERCIAL USE AND VENTILATING LOUVERS AND AIR CONDITIONERS; ENERGY REGENERATION PLANTS; AND PARTS OF THE AFOREMENTIONED GOODS, NAMELY, VENTILATION HOODS; REGENERATIVE AND RECUPERATIVE SOLAR, ELECTRICAL AND NUCLEAR ENERGY REGENERATION PLANTS; AIR HUMIDIFIERS FOR AIR CONDITIONING PLANTS; ELECTRIC AND KEROSENE AIR HEATERS; AIR FILTERS FOR AIR CONDITIONING UNITS; AIR FILTERING PLANTS, AIR COOLING DEVICES, NA...