Refrigerators; Air fryers; Barbecue grills; Coffee machines, electric; Commercial cooking ovens; Electric food steamers; Electric kettles for household purposes; Electric rice cooker; Electric soymilk makers; Electric toaster ovens; Electromagnetic induction cookers; Gas cooktops; Range hoods; Water purification, sedimentation and filtration apparatus for clarification, thickening and filtration of water, waste water and industrial water