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Lack of drinking water is a serious problem for people live at sea, such as sailor and islander. This design is a desalinator aimed at those individual. By dealing with water and energy sources, it may solve water shortage. The core of this concept is to make full use of marine environment. Salt water, will be turned drinkable by Reverse Osmosis in this kettle. In its hemispherical base, there are wire winding for generating electricity. The kettle swings around in ocean wind on a permanent magnetic material, like a rotor turning about a stator in electric generator.