At present, it is used in agriculture chemical spraying and yield more volume, chemical residues, and because the restaurant inside the school, there is a lot of food scraps are left without the benefit of ...Rotten, stinky, so that if you put water into scraps of bio-fermentation for use in agriculture. The farmers would not have to use chemicals and it will not contain residue in agricultural crops. The consumer will not have been in danger from chemical residues.
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