As an engineering base for some of the few remaining 1-11's in the UK i found the comments above very interesting. one of the offshoots from the "demin water" era is that through my carreer with bcal, BIA, Dan Air BWA we must have provided the whole of europe , half of africa and a good deal of russia with a free supply of empty demin barrels. I would be interested to hear if any of these pop up in any unusual places. I will re-visit with interest