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- 08:34, 1 June 2010 diff hist -63 Template:Heat engines
- 08:34, 1 June 2010 diff hist -49 Template:Heat engines
- 08:33, 1 June 2010 diff hist -44 Template:Heat engines
- 08:33, 1 June 2010 diff hist -27 Template:Heat engines
- 08:32, 1 June 2010 diff hist -40 Template:Heat engines
- 08:31, 1 June 2010 diff hist -40 Template:Heat engines