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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).
- 16:11, 7 April 2010 Helpful talk contribs uploaded File:Needle valve.jpg (Public Domain, taken from http://en.wikipedia.org/wiki/File:Injector_Giffard-02.jpg )