Regulating and safety accessories for water and gas installations; cooking, heating, cooling and preservation equipment, for food and beverages; industrial treatment apparatus and installations; apparatus for heating pizza; sun tanning equipment; heating, ventilating, and air conditioning and purification equipment (ambient); refrigerating and freezing equipment; burners and heaters for laboratory use; fireplaces; flues and installations for conveying exhaust gases; igniters; lighting and lig...