they all need a good cleaning
but someone else should do it. I can't even look at those things wothout getting dizzy, let alone climbing and cleaning one.
Eew!
Hmm... since there may be kids reading this, I will refrain from quoting the following line of this sketch...


I'll be more enthusiastic about encouraging thinking outside the box when there's evidence of any thinking going on inside it.
(Terry Pratchett)