11 Cooking, heating, cooling and preservation equipment, for food and beverages; wastewater purification units; purification installations for sewage; reactors for chemical processing; pasteurisers; pasteurizers for food and beverages; artificial mist generating machines; cooking apparatus and installations; heat regenerators; glue-heating appliances; disinfectant apparatus; heat exchangers, other than parts of machines; ionization apparatus for the treatment of water; water purifying apparatus and machines; sanitary apparatus and installations; sterilizers; oil-scrubbing apparatus; disinfectant apparatus for medical purposes; apparatus for dehydrating food waste; water purification, desalination and conditioning installations; sterilization, disinfection and decontamination equipment; chemical processing equipment; all the aforesaid products not related to the fields of swimming pool, wellness including saunas, steamrooms and nebulization of brine solutions