1. 

   chelloveck Diabolus Causidicus

   This small scale biomass digester may be useful for small scale cooking, water boiling etc.
   
   https://youtube.com/shorts/d4gIw7QCmsQ?si=VSCPMyjuifn-ddJ2
   

    

   chelloveck, May 22, 2024

   #1

   selvagem likes this.

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