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...but I still can't guess if the electrical contribution is significant. I can't visualize the pump, or if the gas will cool only part or the whole. I've just never seen one, but figured it had one spinning part. (Electric motors are pretty simple, and I made one in shop class out of nails and wire waaaaayyyy back when. Anyway, other than a few experiences, I'm more about book learning than hands on. Sad but true.)
- John

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