<?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">refrigerant systems</topic></authority><related type="broader"><topic>air cooling</topic></related><variant type="other"><topic>refrigerant system</topic></variant><variant type="other"><topic>refrigerating systems</topic></variant><variant type="other"><topic>refrigeration</topic></variant><variant type="other"><topic>refrigeration system</topic></variant><variant type="other"><topic>refrigeration systems</topic></variant><variant type="other"><topic>systems, refrigerant</topic></variant> <note xml:lang="en"><![CDATA[ Systems in which a refrigerant is compressed, condensed, and expanded as a means of removing heat from a cold reservoir; the heat is rejected elsewhere at a higher temperature. ]]></note></mads>