<?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">clean rooms</topic></authority><related type="broader"><topic>rooms and spaces by property</topic></related><variant type="other"><topic>clean room</topic></variant><variant type="other"><topic>rooms, clean</topic></variant> <note xml:lang="en"><![CDATA[ Rooms in which efforts are made to keep contamination out, including atmospheric pollutants, by the use of air filters, mats, or other devices, as in assembly rooms for precision products or computer rooms. ]]></note></mads>