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264 × 296 pixel
File size: 7 KB
MIME type: image/png
The file "Trickle_filter_diagram.png" has 1 identical duplication.
- Trickle Filter.png . . wikimediacommons>Mbeychok . . 03:16, 23 October 2007
- Trickle filter diagram.png . . Seh62 (talk | contribs) . . 06:24, 13 December 2008