Nine thousand years ago, the maize cob was very hard, and eating it raw would have made you very ill.
Coconut shells and maize cobs have been successfully tested for fixed bed gasifiers and they unlikely creates any problems.
Nine thousand years ago, the maize cob was very hard, and eating it raw would have made you very ill.
Coconut shells and maize cobs have been successfully tested for fixed bed gasifiers and they unlikely creates any problems.