Changes

Arsenic filter

7 bytes added, 00:24, 10 July 2012

→‎Construction, operations and maintenance

[[Image:shapla filter.jpg|thumb|right|200|Shapla arsenic filter. Photo: Ngai.]]

[[Image:2-Kolshi filter.jpg|thumb|right|200|2-Kolshi arsenic filter. Photo: Ngai.]]

[[Image:Sono filter.jpg|thumb|right|200|Sono arsenic filter. Diagram: [http://www.robrasa.com robrasa.com]]]

[[Image:Kanchan filter.jpg|thumb|right|200|Kanchan arsenic filter. Diagram: CAWST.]]

[[Image:Asia arsenic filter.jpg|thumb|right|200|Asia arsenic filter. Drawing: Asia Arsenic Network, (2001).]]

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