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As we tolk about the future we should think about our ecology. One of the basic problems of the future it global warming. Thus, all "live" resources on the earth will become less. One of such - water. The first problem is a lack of drinking water and all natural resources of fresh water all over the world. In the future it is necessary to make drinking water from various sources. A rain, steam, a smoke, air, etc. the Following stage is clarification of the received water and its storage for the further long-term use.