Germicidal lamps for purifying air; Ultraviolet ray lamps, not for medical purposes; Ventilation hoods; Electric air deodorizing apparatus; Electric air driers; Air filtering installations; Gas scrubbing apparatus; Ionization apparatus for the treatment of air; Air purifying apparatus and machines; Touchless hand drying apparatus; Drying apparatus for chemical processing; Air-conditioning, air cooling and ventilation apparatus and instruments; air sterilisers; Humidifiers; Apparatus for disinfecting water; Filters for drinking water; Water ionizers; Sterilizers; Disinfectant apparatus for medical purposes