[Stoves] Newly Discovered 'Blue Whirl' Fire Tornado Burns Cleaner for Reduced Emissions

[Rogerio carneiro de miranda]

http://www.umdrightnow.umd.edu/news/newly-discovered-blue-whirl-fire-tornado-burns-cleaner-reduced-emissions

https://www.youtube.com/watch?v=WVeJ2Sieg44
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