How can I make a 'Rain Water Harvesting system' model?
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1
you can use cardboard box for making the house and followed by cut some pieces of plastic bottle and use it as a filtering pipe
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2
this is what you can make
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TaanishS:
sorry but the picture isn't clear
its just a basic idea this is made by me
i think i have put this pic on google
ok thnks!!!'
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