Schematic representation of electrofiltration chamber for <a href="https://en.wikipedia.org/wiki/en:Electrofiltration" class="extiw" title="w:en:Electrofiltration">electrofiltration</a>
A. Müller (<a href="//commons.wikimedia.org/wiki/User:Sponk" title="User:Sponk">Sponk</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Sponk" title="User talk:Sponk"><span class="signature-talk">talk</span></a>))
CC BY-SA 3.0 de
based on a work of Gözde Gözke, uploaded by <a href="//commons.wikimedia.org/w/index.php?title=User:Paper842&amp;action=edit&amp;redlink=1" class="new" title="User:Paper842 (page does not exist)">User:Paper842</a>