The forming process of <a href="https://en.wikipedia.org/wiki/Rolling_(metalworking)" class="extiw" title="en:Rolling (metalworking)">rolling</a>
<a href="//commons.wikimedia.org/w/index.php?title=User:Nikoslev&amp;action=edit&amp;redlink=1" class="new" title="User:Nikoslev (page does not exist)">Nikoslev</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>