📕 TB.3.09 - Twin pit latrine.

   **[<https://app.box.com/s/qrs23qq7zufgbthu9qba00xpfqoo4deb>](<https://app.box.com/s/qrs23qq7zufgbthu9qba00xpfqoo4deb>)**

https://app.box.com/s/qrs23qq7zufgbthu9qba00xpfqoo4deb

Source : MSF - Public health engineering in precarious situations.