Refrigerators; wine refrigerators; gas refrigerators; electric space cooling apparatus for household purposes; electric hot and cold water purifiers for household purposes; electric refrigerating showcases; electric water purifiers for household purposes; electric water purification filters for household purposes; humidity controllers for household purposes; light wave ovens; humidifiers for household use; electric clothes drying machines for household purposes; electric cooking ovens for household purposes; microwave ovens; dehumidifiers for household use; air purifiers; household air cleaners; electric humidifiers for household use; air humidifying apparatus; air conditioners