File:Efficiency som1.png
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:48, 1 February 2017 | | 2,956 × 1,793 (457 KB) | Anton goy (talk | contribs) | Reverted to version as of 18:46, 1 February 2017 |
| 18:48, 1 February 2017 |  | 2,956 × 1,793 (457 KB) | Anton goy (talk | contribs) | ||
| 18:46, 1 February 2017 |  | 2,956 × 1,793 (457 KB) | Anton goy (talk | contribs) | ||
| 23:10, 31 January 2017 |  | 2,956 × 1,793 (452 KB) | Anton goy (talk | contribs) |
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