Water as our life and Helper

As we know, people constantly seek the planet where is maybe even very small amount of water. We usually assure why a man try to find a planet where the water is present: because of the water is life. Many scholars suppose that if in the definite place there is water and there is any life. And they are right. It is common knowledge, that water is the real source of life. But it helps us to get different food (fish /with meet and fat, salt, chemical elements, edible seaweeds and so forth /). We use it in many technological processes (in metallurgy, medicine, roadbuilding, in hydraulic systems, preparing our food and so on). Moreover, water permits to diminish the bad influence from the carcinogenic exhaust gases and harmful evaporations. Especially attention in this article it will be devoted to save fresh air against poison gases and bad evaporations for the people and living creatures using for this important aim only water. .