Apparatus and installations for lighting, namely, electric lamps, halogen lamps, fluorescent lamps, lamp casings; lanterns, luminous lighting tubes; lamp reflectors, light bulbs, electric light sockets; apparatus for lighting, namely, electric light projectors, water tight electric light projectors; theater lights, namely, lighting fixtures and lighting tracks for use in theatres; staffs for holding theater lights, namely, lighting tracks; telescopic supports for lights, namely, mobile light towers; electric night lights; decorative lights, namely, electric holiday lights, electric light bulbs, electric lights for Christmas trees, electric torches for lighting, fiber optic lighting fixtures used in conjunction with electrical illuminators, flashing strobe light apparatus, lighted disco balls; lamp shades, ceiling lights, globes for lamps, wall brackets for lighting fixtures, light diffusers; heaters, namely, electric space heaters, hot water heaters, portable electric heaters, gas stoves, immersion heaters; apparatus for producing steam, namely, steam accumulators, steam generating installations, steam generators; apparatus for cooking, namely, cooktops, domestic cooking ovens, cooking ranges, microwave ovens; apparatus for freezing, namely, freezers; apparatus for drying, namely, clothes dryers, dryers for the removal of solid, liquid and vapor contaminants from compressed air and gas; apparatus for ventilation, namely, ventilation hoods, air conditioning, air cooling and ventilation apparatus and instruments; apparatus for water distribution, namely, mixer faucets for water pipes, water closets; sanitary installations, namely, pipes being parts of sanitary facilities, toilets, sinks, bidets