<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by Max:
Almost impossible to botch up I would've said.

[/quote]

You're dead right Max. It's ALMOST impossible. But, if the thread on either end of the cylinder should pick up a speck of dirt as it's being screwed on, it will damage the threads and weaken them dramatically....result: the end plug of your cylinder or the cylinder itself taking flight. Not nice.

Some people are capable and some aren't. Up to the individual I suppose.

Jonathan.