<?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">plumbing plans</topic></authority><related type="broader"><topic>utility plans</topic></related><variant type="other"><topic>plans, plumbing</topic></variant><variant type="other"><topic>plumbing plan</topic></variant> <note xml:lang="en"><![CDATA[ Refers to scaled floor plans showing plumbing layout; may include an adjacent small drawing of an elevation, or a riser diagram. For other drawings of plumbing systems, use "plumbing drawings." ]]></note></mads>