37 Disinfecting; Installation of sanitizing apparatus, namely, disinfecting ultraviolet lights and light apparatus for disinfecting rooms, offices, facilities, arenas and a wide array of items using ultraviolet lights; Technical support services, namely, technical advice related to the installation of sanitizing apparatus, namely, disinfecting ultraviolet lights and light apparatus for disinfecting rooms, offices, facilities, arenas and a wide array of items using ultraviolet lights