Gentlemen, Be Seated
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Gentlemen, Be Seated is a science fiction short story by Robert A. Heinlein about a visit to a tunnel on the surface of the moon which goes awry when a pressure seal fails, trapping two men. The title of the story derives from the novel way they find to plug a leak.

The original article can be found at: http://en.wikipedia.org/wiki/Gentlemen,_Be_Seated.
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