On 28/11/2012 21:06, Andy Champ wrote:

Paint incidentally isn't just for pretty. It's mostly to keep the rust
at bay.

I was very pleasantly surprised some years ago when the little dink my
wife had put in the car causing the paint to flake off a bit of wing sat
there refusing to rust. Galvanising or similar works really well :-)

(that was a 1991 BX)