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the process that requires separate plumbing is : C. grey water use Grey water refer to the clean waste of bath, sinks, and washing machine. If we do not separated, it could mixed out with the water that we use for our consumption and will compromise the sanitary

Grey water use is  a system that requires separate plumbing.

What is grey water use?

This is a term that is used to refer to domestic water that is gotten from the household or office domestically through waste.

This kind of water is used to serve purposes such as irrigation, laundry and for flushing toilets.

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