
Pond Sand Filter (PSF) with Raised Embankment [ບັງລາເດດ]
The combination of pond sand filters (PSF) and raised pond embankments protect drinking water sources and increase the resilience to flood and tidal surge events in low-lying coastal areas.
- ຜູ້ສັງລວມຂໍ້ມູນ: John Brogan