<?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">natural cement</topic></authority><related type="broader"><topic>cement by composition or origin</topic></related><variant type="other"><topic>hydraulic lime cement</topic></variant><variant type="other"><topic>hydraulic lime cements</topic></variant><variant type="other"><topic>natural cements</topic></variant><variant type="other"><topic>water-lime</topic></variant><variant type="other"><topic>waterproof cement</topic></variant><variant type="other"><topic>waterproof cements</topic></variant><variant type="other"><topic>Roman cement</topic></variant><variant type="other"><topic>Roman cements</topic></variant><variant type="other"><topic>cement, Roman</topic></variant><variant type="other"><topic>cement, hydraulic</topic></variant><variant type="other"><topic>cement, hydraulic lime</topic></variant><variant type="other"><topic>cement, natural</topic></variant><variant type="other"><topic>cement, waterproof</topic></variant><variant type="other"><topic>cements, Roman</topic></variant><variant type="other"><topic>cements, hydraulic</topic></variant><variant type="other"><topic>cements, hydraulic lime</topic></variant><variant type="other"><topic>cements, natural</topic></variant><variant type="other"><topic>cements, waterproof</topic></variant><variant type="other"><topic>hydraulic cement</topic></variant><variant type="other"><topic>hydraulic cements</topic></variant> <note xml:lang="en"><![CDATA[ Cement produced by taking finely pulverizing calcined argillaceous limestone and heating it to complete decarbonation, which is the process of removing carbon dioxide. ]]></note></mads>