suggest me one project idea based on
usefull for society any ideas
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1) Waste Water Treatment Plant
it is very useful but because it is expensive it is not used in every place in india some societies have their own wwtp
it is very useful but because it is expensive it is not used in every place in india some societies have their own wwtp
akashgovi9pchdfw:
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it is used to clarify water as well as by its process we get biogaes which is used as fuel and also manure
I am participating in state level science exhibition so I need one good idea that was based on useful for society please give one good and tell the reason why it is useful for society
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