<?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">coils</topic></authority><related type="narrower"><topic>cooling coils</topic></related><related type="narrower"><topic>heating coils</topic></related><related type="narrower"><topic>dehumidifying coils</topic></related><related type="other"><topic>coils</topic></related><related type="broader"><topic>heat exchangers</topic></related><variant type="other"><topic>coil</topic></variant> <note xml:lang="en"><![CDATA[ Piping or tubing in coils, spirals, or other various configurations, employed in cooling or heating systems to serve as heat exchangers. For the any general object genre designed as concentric rings or circles, use "coils (object genre)." ]]></note></mads>