11 Electric heaters for commercial use; Electric patio heaters; Electric radiant heaters; Electric radiators; Heated display cabinets; Ionization apparatus for the treatment of air; Ionization apparatus for the treatment of liquids and gases for industrial, commercial or agricultural use; Refrigerating appliances and installations; Steam generating installations; Water filtration apparatus for the deionization of water; Water ionizers; Water purifying apparatus and machines; Autoclaves, electric, for cooking; Electric cooking ovens; Electric cooking pots; Electric autoclaves for cooking; Electric griddles; Hot water heaters; Pressure cooking saucepans, electric; Sauna heater rocks; Water heaters for shower