Cookers; Apparatus for cooking; Appliances for cooking; Commercial cooking apparatus; Cooking installations; Cooking machines; Cooking units; Electric cooking apparatus; Machines for preparing food (electric, cooking); Machines for use in the preparation of food (cooking); Machines for use in the processing of foodstuffs (cooking or refrigerating); Electric cooking utensils; Apparatus for refrigerating; Apparatus for freezing; Freezing installations; Heating installations; Apparatus for heating; Drying apparatus and installations; Ventilating apparatus; Ventilating installations; Air conditioning apparatus; Air conditioning installations; Cooling apparatus; Cooling installations and machines; Cooking utensils, electric