Write a para not exceeding 80 words about rain water harvesting
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Rain water harvesting provides an independent water supply during water restrictions.It is the accumulation and storage of rain water for re-use on site rather than allowing it to run off.Rainwater is collected from river or roofs and the water is re-directed to a deep pit or a reservoir.The usage of rain water includes water for gardens, livestock,irrigation and domestic purposes too.This technique has been around for a very long time ,practiced in the ancient times .It is no doubt a very important method which can be used to address the problem of water crisis in today's world. Hope it helps.
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