📕 Source : UNICEF© 05-Jetting - Manual drilling series. // 2010 // 61 pages.

    **[<https://www.ri.org//content/uploads/2019/08/manual-drilling-series-jetting.pdf>](<https://www.ri.org//content/uploads/2019/08/manual-drilling-series-jetting.pdf>)**

    **[<https://app.box.com/s/ex7tel4kwwyyd9yuqxiqis56yoaa1osk>](<https://app.box.com/s/ex7tel4kwwyyd9yuqxiqis56yoaa1osk>)**

https://app.box.com/s/ex7tel4kwwyyd9yuqxiqis56yoaa1osk

Source : UNICEF© // Release year — 2010.