File:PH-pollution.png

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Revision as of 02:36, 23 January 2017 by S121058 (talk | contribs) (uploaded a new version of "File:PH-pollution.png")
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Original file(878 × 450 pixels, file size: 259 KB, MIME type: image/png)

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00:32, 23 January 2017Thumbnail for version as of 00:32, 23 January 2017864 × 423 (100 KB)S121058 (talk | contribs)
00:21, 23 January 2017Thumbnail for version as of 00:21, 23 January 2017960 × 469 (101 KB)S121058 (talk | contribs)
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