A stash of 'not to be moved' signs in Great Western Railway's heavy maintenance facility at Old Oak Common in London. These are hung on the side of rolling stock which is being worked on in the depot.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>