Hello!  I have re-launched the Applied Science T-shirt campaign on 
Teepspring.  It will end in just a few days, but will re-launch after 
that, and be active for at least two weeks.  These shirts are being sold
 at-cost -- thanks so much for your support!
https://teespring.com/AppliedScience_youtube

Could you help with a simple design for a pilot scale CO2 extractor (geranium essential oil), which I hope may be able to be expanded by extending the tube length (retain endcaps) when it comes to the small scale production.
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