Traditional hand-dug wells
Revision as of 10:51, 29 April 2009 by Marktielewestra (talk | contribs) (New page: ==History and social context== ==Suitable conditions (advantages / disadvantages) == ==Technical specification== ====Operation==== ====Maintenance==== ====Manufacturing ==== ==Cost== ==Cou...)
Revision as of 10:51, 29 April 2009 by Marktielewestra (talk | contribs) (New page: ==History and social context== ==Suitable conditions (advantages / disadvantages) == ==Technical specification== ====Operation==== ====Maintenance==== ====Manufacturing ==== ==Cost== ==Cou...)