Nice to see a UK based CNC engineering forum, engineering here in the UK needs reviving.
Now CNC is an affordable we can achieve much. I am looking forward to participating in some interesting chats.
Here is the world best and worst engineering Gag.

Two cats sitting on a tin roof, which one slid off first?
The one with the lowest Mu (Greek letter µ) Mew!

http://en.wikipedia.org/wiki/Frictio...friction:link:
I know that was awful!