Grinding a mirror - draging the tool over 300 mm glass. Photo taken during "ATM <a href="//commons.wikimedia.org/w/index.php?title=Korenica&amp;action=edit&amp;redlink=1" class="new" title="Korenica (page does not exist)">Korenica</a> 2006", in <a href="//commons.wikimedia.org/wiki/Croatia" class="mw-redirect" title="Croatia">Croatia</a>.
<a href="//commons.wikimedia.org/wiki/User:Ante_Perkovic" class="mw-redirect" title="User:Ante Perkovic">Ante Perkovic</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>