2 - Sanitation and preservation - 2.1. Collecting effluents.

2.1.6. ( A7 ) - Alternatives of these single-pit latrines and twin pit latrines.

https://wikiwater.fr/a7-alternatives-of-these-single

https://app.box.com/s/fpgqu3i0pjilamco1f3y3r6av7e9fwo3

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