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There are many ways to manage food waste and convert them into much needed resources.
Fermentation of non edible but safe plant matter can be fermented in water to create vinegar, an acid that is useful for industrial purposes, cooking and cleaning.
Fermenting can also take the form of Bokashi, where food waste is fermented, continually drained, and then buried in compacted depleted soil in order to simultaneously add organic matter and inoculate the soil. It scales well for apartments and industrially.