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The file "Chemical_refining_process,_figure5.jpg" has 2 identical duplications.
- Chemical refining process, figure5.jpg . . Breka (Talk | contribs) . . 15:17, 4 November 2010
- Chemical refining process, figure7.jpg . . Breka (Talk | contribs) . . 14:09, 9 November 2010
- Crude oil chemical refining process, figure2.jpg . . Breka (Talk | contribs) . . 11:41, 4 November 2010