Oil pumps again...

But you have a license.
Yes, I have a license because someone tested me.
They tested to see if I knew what I was talking about. I did, so I got the qualification..
But then again, maybe I don't have a license, I don't have a shop.. maybe I'm just a 12 year old, winding up old farts like you on the internet for sport, while my friends sit around drinking Lemonade laughing at you..