<?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">durometers</topic></authority><related type="broader"><topic>densimeters</topic></related><variant type="other"><topic>durometer</topic></variant><variant type="other"><topic>hardness tester</topic></variant><variant type="other"><topic>hardness testers</topic></variant><variant type="other"><topic>testers, hardness</topic></variant> <note xml:lang="en"><![CDATA[ Devices consisting of a small drill or blunt indenter point under pressure and used to measure the hardness of materials, such as metals, rubber, and rock. ]]></note></mads>