Self-made <a href="https://en.wikipedia.org/wiki/Circular_saw" class="extiw" title="en:Circular saw">circular saw</a> for wood. Such kind of saws were very popular in <a href="https://en.wikipedia.org/wiki/Estonia" class="extiw" title="en:Estonia">Estonia</a> at the second half of last century.
<a href="//commons.wikimedia.org/w/index.php?title=User:Maasaak&amp;action=edit&amp;redlink=1" class="new" title="User:Maasaak (page does not exist)">Maasaak</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>