11 Water supply installations, namely, water filtering apparatus, water purification units, water conditioning units; burners, namely, gas burner for industrial use; boilers, namely, heating boilers, furnace boilers, electrical boilers, industrial boilers, boilers for heating installations; cooking, heating, cooling and preservation equipment, for food and beverages, namely, thermoelectric cooler/heater for food and beverages, pasteurizers for use in the food industry, pasteurizers for use in the beverage industry, beverage cooling apparatus, cookers, gas cookers, steam cookers; fireplaces; filters for gases for industrial and household use, namely, air filters for domestic use, air filters for industrial installations, filters and filtering devices for air and gas conditioning; filters for liquids for industrial and household use, namely, filters for fluids, namely, for water and area-water solutions and water-based solutions and oil-based solutions; solid filters for industrial and household use, namely, metal cylindrical chamber and screen for use in filtering and removing settleable solids from liquid; regulating and safety accessories for water and gas installations, namely, gas regulators, pressure regulators for water installations; chilling machines, namely, rapid food chilling units, refrigerating machines, food and beverage chilling machines; refrigerating cabinets; cooling installations, namely, cooling units for industrial purposes, heat sinks for use in heating, cooling and ventilating apparatus; water treatment apparatus, namely, coagulation apparatus for use in the treatment of wastewater; liquid treatment apparatus, namely, coagulation apparatus for use in the treatment of liquids of animal by-products; liquid treatment apparatus, namely, coagulation apparatus for use in the treatment of liquid from plant by-products; water treatment installations, namely, coagulation installations for use in the treatment of wastewater; liquid treatment installations, namely, coagulation installations for use in the treatment of liquid of animal by-products; liquid treatment installations, namely, coagulation installations for use in the treatment of liquid of plant by-products; freezers; industrial freezers; heating apparatus, namely, heating units for industrial purposes; heating equipment, namely, heating boilers, heating furnaces for industrial purposes; hot air drying apparatus, namely, hot air blowers; water conduits installations, namely, water purification installations; sea water distillation installations; dehumidifiers; drying installations, namely, drying machines for agriculture, drying apparatus for chemical processing, industrial dryers for heating and dehumidifying, dryers used for the removal of solid, liquid and vapor contaminants from compressed air and gases, industrial apparatus using air for drying and cleaning components in the electronics, pharmaceutical, medical, and food and beverage industries; industrial steam boilers, other than parts of machines; steam generating installations; vaporization apparatus, namely, power-operated vaporizers for industrial or commercial purposes; evaporators, namely, evaporators for air conditioners, evaporators for chemical processing; sterilizers, not for medical purposes; sterilizing installations, namely, water treatment equipment in the nature of ultraviolet sterilization units, water treatment equipment in the nature of chemical sterilization units, apparatus and instruments for use in the purification, separation and sterilization of liquids and gases used in the biotechnology, pharmaceutical, medical, biopharmaceutical and food and beverage industries; gas scrubbers being parts of gas installations; scrubbers, namely, gas scrubbers; gas scrubbing and air purification apparatus; spray towers, namely, gas scrubbers; wastewater treatment installations, namely, wastewater purification apparatus, installations and tanks, water purification, sedimentation and filtration apparatus for clarification, thickening and filtration of water, wastewater and industrial water; heat exchangers, not being parts of machines; industrial reheating furnaces; furnaces for industrial use; separators for the cleaning and purification of air or gases; separators for scrubbing air; separators for scrubbing gas; preheaters, namely, heat exchangers, other than parts of machines, heating boilers, heat exchangers for chemical processing; tube preheaters, namely, heat exchangers, other than parts of machines, heating boilers, heat exchangers for chemical processing; gas condensers, other than parts of machines