Air purifying apparatus and machines; Bathroom exhaust fans; Bathroom heaters; Dehumidifiers for household use; Germicidal lamps for purifying air; Hair dryers; Heat sinks for use in heating, cooling and ventilating apparatus; Heating installations; Ice machines and apparatus; Lighting apparatus, namely, lighting installations; Portable showers; Portable utility lights; Refrigerating machines and installations; Solar energy receivers; Water filtering apparatus