Jakarta, Indonesia: A chadburn of a ship. Is a tool that serves to accelerate or slow down the course of the ship by signalling the command from the command bridge to the machine room.
<a href="//commons.wikimedia.org/wiki/User:Cccefalon" title="User:Cccefalon">CEphoto, Uwe Aranas</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>