Air cleaning units; air washer; air ionizer; humidifiers; electric refrigerators for household purposes; electric refrigerators for preserving kimchi; light wave ovens; wine coolers, namely, refrigerated cabinets containing racks for wine bottles and storage shelves; electric cooking ovens; electric freezers; electric laundry dryers; gas ranges; microwave ranges; gas cooktops; electric ranges for household purpose; air purifying apparatus; air conditioners; hot air blowers; electric dehumidifiers for household purposes; gas grills; dish disinfectant apparatus; water purifiers for household purposes; electric water purifiers for household purposes; water ionizers; water ionizers for household purposes; non-electric water purifiers for household purposes; water purifying apparatus; electric footwarmers; water purification installations; water purification apparatus; precision filter for water treatment; desalination plants; membrane for water purification; membrane filter for non-electric water purifiers for household purpose; membrane filter for electric water purifiers for household purpose; membrane filter for water purifiers for industrial purpose; membrane filter for water purifying apparatus; water purifying installations using membrane filter; water purifying apparatus using membrane filter; membrane for water treatment; membrane filter apparatus for water treatment; purification installations for sewage; purification installations for water supply; apparatus for waste water purification; filtering apparatus for waste water; industrial water purifiers; filter for water purification installation; membrane for water purification installation; solar collecting boards; solar water heaters; street lamps; safety lamps for underground use; germicidal lamps for purifying air; neon lamps; lanterns; dynamo lamps; fixtures for discharge lamps; incandescent lamps; fixtures for incandescent lamps; ultraviolet ray lamps not for medical purposes; germicidal lamps; chandeliers; water surface lamps; mercury lamps; aquarium lights; spotlights; arc lamps; safety lamps; lights for diving; decoration lamps; infrared lamps; torches for lighting; fish gathering lamps; ceiling lights; fairy lights for festive decoration; electric lights for Christmas trees; standard lamps; search lights; artificial solar lamps; floodlights; fluorescent lamps; flashlights; lights for motorcycle; lights for automobile; reflectors for automobile; lamps for directional signals of automobile; light bulbs for directional signals of automobile; anti-glare device for automobile; parts of electric light; defrosters for automobile; air-conditioners for automobile; headlights for automobile; ventilation installations for automobile; heaters for automobiles; branching pipes for air cooling apparatus; branching pipes for air conditioners; flexible hoses for air cooling apparatus; flexible hoses for air conditioners