11 Apparatus for lighting, heating, steam generation, cooking, cooling, drying, ventilation, water supply and sanitary purposes, namely, liquid and air cooling for computers and peripherals; Water treatment unit for aerating and circulating water; Air-conditioning, air cooling and ventilation apparatus; Electrically powered fans for ventilation purposes; parts of the aforementioned goods, namely, fan wheels, fan blades, fan housings, vent wheels, vent blades, blower wheels, plastic blower housings; Heat exchangers, except not being parts of machines; Air coolers; Cooling apparatus and installations and machines for use in computers and peripherals cooling apparatus; Refrigerated shipping containers; Water coolers; Ventilating exhaust fans; Ventilating fans for industrial purposes; Luminous tubes for lighting; LED light strips for decorative purposes;