In article , John Rumm
wrote:
the bottle valve (poor boy didn't know about left hand threads).

That's a good point, why do gas cylinders / fittings etc use left handed
threads?

So you can't connect a bottle of fuel gas to a regulator on a high
pressure oxidant line.

--
Aidan
Aberdeen, Scotland
Written at Wed, 06 Dec 2006 00:46 GMT, but posted later.