| http://www.w3.org/ns/prov#value | - Taking into account that humans don???t digest cellulose, and that numbers can change depending on whether the plant serves Manhattan or an industrial zone, about 10 to 15% of these cellulose fibers in sewage come from our excrement, while the rest ??? about 85% ??? come from toilet paper and other cloth fibers that are flushed away.
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