11 Heating equipment, namely, heat exchangers not being parts of machines; Cooling equipment, in particular for the cooling of exhaust gas in combustion processes through the controlled injection of finely atomized water directly into the gas stream, namely, cooling systems primarily comprised of heat pumps and metering valves, and also containing control instruments in the nature of remote controls for the operation of the systems, water atomization lances with nozzles, water distribution hoses, electrical junction boxes, the aforementioned system using a water dosing-injection skid-rack, all sold as a unit; Cooling equipment for the treatment of gaseous effluents, reduction of toxic and noxious substances in industrial power plants such as NO2, SO2, dusts and soot, CO and other gases and for cooling-humidification in naval-sea fields of application, chemical industry, in cement, glass, ceramics, steel, metals, energy production and incineration, namely, air cooling apparatus, air filtering installation, gas scrubbing apparatus, air purifying apparatus and machines; Equipment for filtering exhausted gases for sanitary purposes, namely, back bag filters for gas cleaning, electrostatic precipitators hybrid upgrading, wet scrubbers, and catalytic dry filters; Equipment for adiabatic cooling, in particular for the adiabatic cooling of exhaust gas in combustion processes through the controlled injection of finely atomized water directly into the gas stream, namely, adiabatic cooling systems primarily comprised of heat pumps and metering valves, and also containing control instruments in the nature of remote controls for the operation of the systems, water atomization lances with nozzles, water distribution hoses, electrical junction boxes, the aforementioned system using a water dosing-injection skid-rack, all sold as a unit; Equipment for vapour-compression cooling, in particular for the vapour-compression cooling of exhaust gas in combustion processes through the controlled injection of finely atomized water directly into the gas stream, namely, vapour-compression cooling systems primarily comprised of heat pumps and metering valves, and also containing control instruments in the nature of remote controls for the operation of the systems, water atomization lances with nozzles, water distribution hoses, electrical junction boxes, the aforementioned system using a water dosing-injection skid-rack, all sold as a unit