Original poster: "Steve Conner" <steve.conner-at-optosci-dot-com> >a generation arose that did not need to spell in most of >their daily activities. Hey! I'm sure we all know that it is spelled "Tube", and use the word "Toob" for humorous effect. Over this side of the pond, it's mis-spelled in an even more shocking fashion: "Valve" Steve C.