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Combined display of all available logs of Helpful. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 12:48, 1 March 2011 Helpful talk contribs deleted page File:Lab plug valve.JPG (Deleted old revision 20110222152940!Lab_plug_valve.JPG: culling disk size (also for the following bunch of deletes))
- 17:29, 22 February 2011 Helpful talk contribs uploaded a new version of File:Lab plug valve.JPG
- 16:15, 7 April 2010 Helpful talk contribs uploaded File:Lab plug valve.JPG (Public domain, taken from http://commons.wikimedia.org/wiki/File:Plug_valve.JPG)