Air purification units; Clean room installations; Electric radiant heaters; Electrically-heated mugs; Filters for drinking water; Gas purification machines; Germicidal lamps for purifying air; Hot plates; Portable electric warm air dryer; Roasting jacks; Ultraviolet ray lamps, not for medical purposes; Water filtering apparatus; Water purification installations; Water purifying apparatus and machines; Water filters; Flares; Floodlights; Lamps; Searchlights; Taps