<?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">acidity testers</topic></authority><related type="other"><topic>cheese making</topic></related><related type="broader"><topic>acidimeters</topic></related><variant type="other"><topic>acidity tester</topic></variant><variant type="other"><topic>testers, acidity</topic></variant> <note xml:lang="en"><![CDATA[ Acidmeters, ranging from small hand-held devices to larger stationary devices designed to sit on a work bench, used test the pH levels in cheese. ]]></note></mads>