On Fri, 15 Feb 2008 09:40:06 -0800, "William Andersen"
<wgander.TakeThisOut@cox.net> wrote:
>It works but I wonder if there's any advantage to this style compared to a
>regular lock. This seems complicated compared to just pumps in a regular
>lock. Am I missing something?
I think it takes up a lot less real estate than a set of locks, not to
mention creating an instant tourist attraction.
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