1 - Facilitating access to water - 1.3. Storing.

1.3.2. ( E16 ) - How to build and maintain a water tank for a reservoir. Dosages to use for the concrete.

https://wikiwater.fr/e16-how-to-build-and-maintain-a

https://app.box.com/s/0ip66wth3cvj7w7edonnxd4vdx3qew8i

Source : Wikiwater©

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