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Percussion - Stone hammer

61 bytes added, 00:28, 13 May 2015
→‎Manuals, videos and links
===Manuals, videos and links===
* [http://ec.europa.eu/echo/files/evaluation/watsan2005/annex_files/PRACTICA/PRACT2%20-%20Rota-sludge%20and%20stone%20hammer%20drilling.pdf Rota-sludge and Stone Hammer drilling, part one: Drilling Manual] by Practica Foundation.
* [http://www.practicafoundationsswm.nlinfo/wp-contentsites/uploadsdefault/PDFfiles/practica-production-rs-versie-1th-september-051reference_attachments/HERWIJNEN%202005%20Rota%20Sludge%20and%20Stone%20Hammer%20Drilling%20Part%20two%20Production%20Manual.pdf Rota-sludge and Stone Hammer drilling, part two: Production Manual] by Practica Foundation.
* [http://www.practicafoundation.nl/products/drilling-wells/ Stone hammer info on www.practicafoundation.nl]
* [http://www.rural-water-supply.net/en/implementation/manual-drilling manual Hand Drilling Techniques.] Rural Water Supply Network. An analysis and comparison of all the drilling techniques, including 3 in-depth manuals of comparisons.
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