<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">sanitary drainage systems</topic></authority><related type="other"><topic>sanitary sewers</topic></related><related type="broader"><topic>plumbing systems</topic></related><variant type="other"><topic>drainage systems, sanitary</topic></variant><variant type="other"><topic>drainage, sanitary</topic></variant><variant type="other"><topic>sanitary drainage</topic></variant><variant type="other"><topic>sanitary drainage system</topic></variant><variant type="other"><topic>sanitary systems</topic></variant><variant type="other"><topic>systems, sanitary</topic></variant><variant type="other"><topic>systems, sanitary drainage</topic></variant> <note xml:lang="en"><![CDATA[ Parts of building plumbing systems that carry away waste; for sewers designed to carry away waste in larger drainage systems, use "sanitary sewers." ]]></note></mads>