Changes

* Rural Water Supply Network, [http://www.rwsn.ch/prarticle.2005-10-25.9856177177/prarticle.2005-10-26.7220595116/prarticle.2005-11-15.6127855822/prarticle.2009-05-11.3051371225/prarticle.2009-05-11.7567765725/prarticle_view article on EMAS drilling]. General [http://www.rwsn.ch/prarticle.2005-10-25.9856177177/prarticle.2005-10-26.7220595116/prarticle.2005-11-15.6127855822/prarticle.2009-05-11.3051371225 manual drilling section of RWSN website].

*[[Solution_of_the_week_10|Akvo solution of the week 10]]

==References==

* This article is based on an [http://www.rwsn.ch/documentation/skatdocumentation.2008-05-28.6936214484 article] by [http://geocities.com/paulcloesen/ Paul Cloesen], and on material from [http://www.emas-international.de/english/index_e.htm www.emas-international.de]