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Sludging - Rota sludge

10 bytes removed, 04:29, 9 November 2012

→‎Reference manuals, videos, and links

*[http://www.practicafoundation.nl/wp-content/uploads/PDF/practica-production-rs-versie-1th-september-051.pdf Rota-sludge and stone hammer drilling, Part 2, Production manual]. Produced by [http://www.practicafoundation.nl PRACTICA Foundation] and [http://www.etc-international.org/index.php?id=41 ETC Foundation].

==Reference manualsManuals, videos, and links==

* [http://nl.youtube.com/watch?v=MvebFHCjCvk Rota sludge drilling in Madagascar, January 2008]

* [http://www.practicafoundation.nl/products/drilling-wells/ www.practicafoundation.nl drilling section]

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