We has to pay for the drinking water. Actually the water is the natural resource we should not pay for the water. We have change the lifestyle we have to over come from payment of drinking water. So, the cheapest method of purifying the dusted/polluted water is SOLAR WATER PURIFICATION SYSTEM.
Nowadays the water quality is affected so we have to pay for the drinking water. The water is natural resource we should not pay for the drinking water. We are introducing the solar water purification In this system we can use dirty water/sea water the water is purified with help of natural purifier. This water purification system is much more cheaper than the RO purification system. This system mainly used people lives near the village and beach. In the world 0.3 per cent the fresh water is available so This system provide the dusted water into pure fresh water. The cleaning cost will reduce this system is useful for poor peoples.
Link: It is purified with help of natural purifier
Problem Scale: Worldwide
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