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Author Topic: OPITEC, Hot Air Engine.......  (Read 2073 times)

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Re: OPITEC, Hot Air Engine.......
« on: April 11, 2019, 06:08:16 pm »
excellent work they're David, it's so silky smooth and clean and sharp, extremely nice presentation.
Bruce, St. Paul Indiana, USA
"Originality thrives in seclusion free of outside influences beating upon us to cripple the creative mind."
  Nikola Tesla