Re: !ygrenE noitoM lautepreP
Nah, it's how they run the things. With a very clever arrangement of gears and belts, an escalator actually gives off free energy.
Pity the only arrangement of gears and belts that gives off free energy always ends up being an escalator....
That, or it's a particular breed of warning/diagnostic light.
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Of course, by the time I finish this post, it will already be obsolete. C'est la vie.
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