Air conditioners; air-conditioning apparatus and installations; ventilation (air-conditioning) installations and apparatus; lighting apparatus and installations; electric fans; fans for ventilating; room fans; heaters; apparatus for water heating; water heating installations; water heaters; electric domestic cooking appliances; cooking appliances; microwave ovens (cooking apparatus); convection ovens; refrigerators; air dehumidifiers; air purifying apparatus and machines; electrical hair driers (dryers)