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Water Portal / Rainwater Harvesting / Rooftop rainwater harvesting

1 byte added, 06:37, 5 March 2013

→‎Construction, operation & maintenance

Making cement in regards to drought: [[Concrete production and drought]].

==Construction, ~~operation~~ operations & maintenance==

[[Image:rooftop catchment.jpg|thumb|right|300px|Rooftop catchment. Drawing: WHO.]]

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