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Burners, boilers and heaters; Cooking, heating, cooling and preservation equipment, for food and beverages; Drying installations; Filters for industrial and household use; Fireplaces; Flues and installations for conveying exhaust gases; Heating, ventilating, and air conditioning and purification equipment (ambient); Igniters; Industrial treatment installations; Lighting and lighting reflectors; Nuclear installations; Personal heating and drying implements; Refrigerating and freezing equipment; Regulating and safety accessories for water and gas installations; Sanitary installations, water supply and sanitation equipment; Sun tanning appliances; Installations for processing nuclear fuel and nuclear moderating material; Nuclear cogeneration plants; Nuclear generators; Nuclear power plant installations; Nuclear reactors; Processing installations for fuel and nuclear moderating material; Reactor vessels; Decorative fountains, sprinkler and irrigation systems; Sanitary and bathroom installations and plumbing fixtures; Air purgers for use with water supply installations