Lamps; Air purifying apparatus and machines; Air sterilisers; Book sterilisation apparatus; Ceiling lights; Dish disinfectant apparatus for industrial purposes; Disinfectant apparatus for banknotes; Disinfectant apparatus for medical purposes; Electric air deodorizers; Filters for drinking water; Germicidal lamps for purifying air; Solar-powered all-weather lights; Sterilizers; String lights for festive decoration; Ultraviolet ray lamps, not for medical purposes; Water sterilizers