MECHANICAL STRESS
<a href="//commons.wikimedia.org/wiki/User:%D0%94.%D0%98%D0%BB%D1%8C%D0%B8%D0%BD" title="User:Д.Ильин">Д.Ильин</a>: vectorization
<a href="//commons.wikimedia.org/wiki/File:DIFFERENT_TYPES_OF_STRESS.png" title="File:DIFFERENT TYPES OF STRESS.png">File:DIFFERENT TYPES OF STRESS.png</a> by <a href="//commons.wikimedia.org/w/index.php?title=User:Almazi&amp;action=edit&amp;redlink=1" class="new" title="User:Almazi (page does not exist)">Almazi</a>