Chandeliers; Air-conditioning apparatus; Air-conditioning installations; Air cooling apparatus; Air filtering installations; Arc lamps; Ceiling lights; Electric fans for personal use; Electric lamps; Electric light bulbs; Electric torches for lighting; Fans for air conditioning apparatus; Gas scrubbing apparatus; Incandescent lamps; Lamp glasses; Lamp mantles; Light bulbs; Lighting apparatus, namely, lighting installations; Lights, electric, for Christmas trees; Luminous house numbers