Question

Describe the procedure of Roof top rainwater harvesting..

Answer 1

yeah here's your answer

Roof top tainwater harvesting system is a method in which the rainwater falling on the roof slope is collected by a means of a pipe which stores it in a tank called sump. This can later be extracted and used efficiently.

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Answer 2

in this system , water is passed through pipes from roof top to underground tank to collect.