The bringing together, for the benefit of others of lighting installations, lights for vehicles and interior-exterior spaces, heating installations using solid, liquid or gas fuels or electricity, central heating boilers, boilers for heating installations, radiators [heating], heat exchangers, not parts of machines, stoves, kitchen stoves, solar thermal collectors [heating], steam, gas and fog generators, namely steam generators for domestic use, steam generators for use with steam baths, gas generation plants for industrial purposes, steam boilers, other than parts of machines, acetylene generators, oxygen generators, namely oxygen generators for industrial purposes, nitrogen generators, namely nitrogen generators for industrial purposes, installations for air-conditioning and ventilating, cooling installations and freezers, electric and gas-powered devices, installations and apparatus for cooking, drying and boiling, cookers, electric cooking pots, electric water heaters, barbecues, electric laundry driers, hair driers, hand drying apparatus, sanitary installations, taps [faucets], shower installations, toilets [water-closets], shower and bath cubicles, bath tubs, toilet seats, sinks, wash-hand basins [parts of sanitary installations], washers for water taps, valves [taps] being parts for sanitary installations, water softening apparatus, water purification apparatus, water purification installations, waste water purification installations, electric bed warmers and electric blankets, not for medical use, electric pillow warmers, electric or non-electric footwarmers, hot water bottles, electrically heated socks, filters for aquariums and aquarium filtration apparatus, industrial type installations for cooking, drying and cooling purposes, pasteurizers and sterilizers, iron melting furnaces, ironing boards and shaped covers therefor, drying racks for washing, clothes drying hangers, non-electric cooking and heating utensils, namely non-electric cookers, non-electric; heaters, grills, barbecues, enabling customers to conveniently view and purchase those goods, such services may be provided by retail stores, wholesale outlets, by means of electronic media or through mail order catalogues.