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Akvo water solution of the week

155 bytes added, 13:46, 20 April 2010

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*[[Solution of the week 11|Solution 11: Drilling boreholes the Bolivian way - the EMAS method]]

*[[Solution of the week 12|Solution 12: Hydraulic rams - making water run uphill]]

*[[Solution of the week 13|Solution 13: UNICEF goes manual drilling]]

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