A plastic janitor's bucket with a mop.
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Husond" class="extiw" title="wikipedia:User:Husond">Husond</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
CC BY-SA 3.0
<p>Taken by <a href="https://en.wikipedia.org/wiki/User:Husond" class="extiw" title="en:User:Husond">en:User:Husond</a>.
</p>
Originally from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>; description page is/was <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Image%3AJanitor%27s_bucket_with_mop.jpg">here</a>.