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Iron filter
Revision as of 03:33, 14 June 2012 by
Winona
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Revision as of 03:33, 14 June 2012 by
Winona
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Building an iron filter.
Photo: PCWS
Acknowledgements
IRON REMOVAL FILTER.
PHILIPPINE CENTER for WATER and SANITATION.
Last edited on 7 October 2017, at 08:25