11 Gas water heaters, freezers, refrigerators, freezing/refrigerating equipment, namely, ice machines, refrigerating machines, cooling evaporators, cooling tubes, freezing/refrigerating showcases, heat exchangers, heating equipment, namely, radiators, hot-air heaters, air heating furnaces, hot-water heaters, steam heaters; air-conditioning equipment, namely, induction air-conditioners, central air-conditioners, window-mounted air-conditioners; electric pavement heaters, solar water heaters, water purifiers, portable electric heaters, water filters for household use, waste water purification tanks, household waste water purification tanks, and garage incinerators