رسم تخطيطي لحافة نشطة.
<p><a href="//commons.wikimedia.org/wiki/User:Booyabazooka" class="mw-redirect" title="User:Booyabazooka">Booyabazooka</a>
</p>
<ul><li>Derivative work: <a href="//commons.wikimedia.org/wiki/User:NAN%C3%B6R" title="User:NANöR">NANöR</a></li></ul>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Active_Margin.svg" title="File:Active Margin.svg">Active Margin.svg</a><br>