📕 TB.2.05 - Mortar and concrete preparation.

   [**<https://app.box.com/s/fikzvylrrm8wy160geu07mf2ftnrj1tt**>](<https://app.box.com/s/fikzvylrrm8wy160geu07mf2ftnrj1tt>)

https://app.box.com/s/fikzvylrrm8wy160geu07mf2ftnrj1tt

Source : MSF - Public health engineering in precarious situations.