2 - Sanitation and preservation - 2.1. Collecting effluents.
2.1.12. ( A13 ) - Latrines and sanitary units for schools and communities.
https://wikiwater.fr/a13-latrines-and-sanitary-units
https://app.box.com/s/hij1dn821ay4qwb9lzen3evs4wtpeytd
Source : Wikiwater©
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