"....I think the gas system is german built very efficient...."
Bit worrying that.
As for cleaning the grill, a wire brush is good enough to get any clinging bits of carbonised food off. Alternatively, borrow a labrador that hasn't scrounged anything to eat for an hour or so...
And StopStart, if you
dare to publish that Hawaiian shirt picture.....
Charlie, if you are entertaining
'ruddy overweight chaps in leather shorts' at your
gas parties, perhaps this chap will be welcome: