๐๏ธโ๐จ๏ธย User interface /--> U6 - Shallow trench latrine.
๐๐ผ **https://sanihub.info/topic/shallow-trench-latrine/?source=technology-overview**
๐๐ผย [**<https://app.box.com/s/nfiokegn797r6ngr2kpce56phw88gkuo**>](<https://app.box.com/s/nfiokegn797r6ngr2kpce56phw88gkuo>)
https://sanihub.info/topic/shallow-trench-latrine/?source=technology-overview
๐๏ธโ๐จ๏ธย Source SANIHUBยฉ : https://sanihub.info/steps/technology-overview/ , https://www.emersan-compendium.org/en/technologies

****๐๏ธโ๐จ๏ธ https://linktr.ee/watsan_matters