Without attempting to teach anyone on these boards 'how to suck eggs' (at present a poor choice of a turn of phrase, I know!
) but I'm sure that everyone here is aware of the various definitions of the work 'expert."
I use most of them every time I hear a certain someone described as an "Aviation Expert."
Oh, and for the record, It isn't Hansford. Never really 'hoid of da bum!'