| For your back gas cylinders (twins on this forum, I guess!), lots of folks seem to have their initials too - is this necessary and if not, why might you want to anyway. Where do you get them from?
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"I thought I had a great idea today, but it never really took off. In fact, it didn't even get on the runway. I guess you could say it exploded in the hangar." - Bill Watterson, Calvin and Hobbes |