File:Arsenic removal small.jpg
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Arsenic_removal_small.jpg (325 × 311 pixels, file size: 65 KB, MIME type: image/jpeg)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:17, 27 September 2013 | 325 × 311 (65 KB) | Winona (talk | contribs) | ||
04:09, 30 March 2013 | 340 × 325 (62 KB) | Winona (talk | contribs) |
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