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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:31, 2 October 2016 | 974 × 525 (28 KB) | Cmdrjameson | Compressed with pngout. Reduced by 136kB (83% decrease). | |
20:57, 13 April 2008 | 974 × 525 (165 KB) | Wizard191 | {{Information |Description=Zinc smelting flowchart |Source=http://www.epa.gov/ttn/chief/ap42/ch12/final/c12s07.pdf |Date=10-1986 |Author=EPA |Permission= |other_versions= }} |
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