Portable straw-powered boiler.
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<source src="https://diqn32j8nouaz.cloudfront.net/portable_straw_fired_boiler.mp4" type="video/mp4">
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7:26 source video:
https://www.youtube.com/watch?v=m9rZzgkq2OQ
Previously:
https://www.homemadetools.net/forum/...821#post148364
https://www.homemadetools.net/forum/...579#post147477
