Plug-in icon from <a href="https://en.wikipedia.org/wiki/The_Noun_Project" class="extiw" title="w:The Noun Project">The Noun Project</a>.
[null <a rel="nofollow" class="external free" href="http://thenounproject.com/itshorty/">http://thenounproject.com/itshorty/</a> Florian Huber]
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