2 - Sanitation and preservation - 2.1. Collecting effluents.

2.1.2. ( A3 ) - Septic tanks. Mini septic tanks and sewage tanks.

https://wikiwater.fr/a3-septic-tanks-mini-pits-and-all

https://app.box.com/s/8k926rlascsrtr9ccw3zayi20easwae3

Source : Wikiwater©

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