| http://www.w3.org/ns/prov#value | - One, as is proper and per code (a wonder given this old thing ??? built by a bunch of shoddy constructors during a crappy day) ??? it has a ???dark water??? (or sewer ??? from the toilet) system and it has a ???grey water??? (meaning not from the toilet, e.g. your showers and sink pipes).
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