um, that's cool. but, um, wasn't the rescuer a plumber rather than a highly skilled mechanical engineer? I mean, if you'd called *me* and I knew the answer, then I would have been a highly skilled mechanical engineer to the rescue.

(Alas, as just a highly skilled mechanical engineer, nobody pays *me* big bucks to fix their toilet. Ah, wait, but then I don't have to fix their toilet...)