The One at the Top:
Is the British twin of the American Tappan I owned as my first microwave.
Nice machine when new, but the interior wasn't long for this world. There were problems with the paintlike coating inside within a couple of years.
I decided it was a fluke, and got another Tappan. Same problem - though I learned to touch it up and got fifteen years out of the thing. I've since had other MW ovens with painted interiors, and never had a moment's trouble.
Dunno what that was about.