Air filters for air conditioners in vehicle passenger compartments; Air sterilisers; Disinfecting ultraviolet lamps housed in a container or cover for disinfecting objects placed therein; Gas purification machines; Industrial apparatus using air to assist in the drying of components in the electronics, semiconductor, circuit board, pharmaceutical, medical, food and beverage industries; LED (light emitting diode) lighting fixtures; Purification installations for sewage; Sterilizers for dental ...