Selection of raw materials. Put the banana peel, then cut the total removal of Kap Kap banana cut into small pieces. Used as raw materials in the next trial.
Materials Selection The banana trees are cut out of it. Peel off the outer Cut the banana into small pieces. Used as raw material for further experiments.
The selection of raw materials, the banana Nam wa that cut, then copied into small pieces. Cut the banana leaf sheath Used as raw material in the experiment.