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Wal, A. van der
Labas, J.
,
Vuik, R.
&
van der Wal, A.
, 2010.
Augering : technical training handbook on affordable manual well drilling
, (Manual drilling series 3)
Fecha publicación: 03/11/2011
The high cost of developing potable water sources prevents many rural people from gaining access to clean, safe water supplies. Increasing access...
Read more...
Vuik, R.
,
de Koning, D.
&
van der Wal, A.
, 2010.
Percussion : technical training handbook on affordable manual well drilling
, (Manual drilling series 2)
Fecha publicación: 03/11/2011
The high cost of developing potable water sources prevents many rural people from gaining access to clean, safe water supplies. Increasing access...
Read more...
Vuik, R.
&
van der Wal, A.
, 2010.
Jetting : technical training handbook on affordable manual well drilling
, (Manual drilling series 1) Available at:
https://es.ircwash.org/sites/default/files/Vuik-2010-Jetting.pdf
.
Fecha publicación: 03/11/2011
The high cost of developing potable water sources prevents many rural people from gaining access to clean, safe water supplies. Increasing access...
Read more...
van der Wal, A.
, 2010.
Understanding groundwater and wells in manual drilling : instruction handbook for manual drilling teams on hydro-geology for well drilling, well installation and well development
, Available at:
https://es.ircwash.org/sites/default/files/Wal-2010-Understanding.pdf
.
Fecha publicación: 03/11/2011
This manual has been devised as a training guide for small businesses specializing in manual drilling and related businesses such as those...
Read more...
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