VD-36.→ Semi-centralized treatment - Treatment stages.

👁️‍🗨️ Source : EAWAG©-EPFL©-ICRC© — > 36-Semi-centralized treatment - Treatment stages.

🎦  **[<https://youtu.be/UAxNF-raPb8>](<https://youtu.be/UAxNF-raPb8>)**