11 Showers; Air-conditioning apparatus; Baking ovens; Bath tub jets; Biological contactor for treatment of sewage and drainage water; Clean room installations; Clean rooms; Commercial and industrial cookware, namely, gas and electric boilers, gas and electric broilers, gas and electric roasters, gas and electric braising pans; Cordless electric kettles; Electric heater for infant food; Heating inserts for pet beds; Lamp bulbs; LED lamps; Light bulbs; Water closets