With the emerging chronic shortages of fresh water, which is indispensable for daily life, technologies for desalination of seawater ae being focused upon. In Japan, there are manufacturers experienced in developing said technology and providing finished products.rnCompared to the abundance of seawater, the amount of fresh water that is available for the use of humankind does not even add up to 1%. However, the amount of water that is needed and consumed exceeds the amount of water in the world that is suitable for drinking and there is a limit on locations where fresh water can be obtained. In addition, securing freshwater is the first condition for haitung desertification and promoting revege-tation in areas where water cannot be found.
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