... shape or no longer than 3 cm . Pls note that ,the straws are hard so normally we make it ... fuel formed better. The fermentation process is easy, you just need to stack the raw material ,cover them ... For the dry material with less than 25% moisture , you just need to cut them into pieces (wood pls ... for the small factory or home using ,we suggest that you can let the material to be naturally dried, just ...