<?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">structural aluminum</topic></authority><related type="broader"><topic>metal by product</topic></related><related type="broader"><topic>aluminum</topic></related><variant type="other"><topic>aluminium, structural</topic></variant><variant type="other"><topic>aluminiums, structural</topic></variant><variant type="other"><topic>structural aluminiums</topic></variant><variant type="other"><topic>aluminum, structural</topic></variant><variant type="other"><topic>aluminums, structural</topic></variant><variant type="other"><topic>structural aluminums</topic></variant> <note xml:lang="en"><![CDATA[ Aluminum in an alloy form for the additional strength necessary for construction purposes. Aluminum is lightweight and corrosion-resistant so it does not require painting, making it an increasingly popular building material. Because aluminum can be extruded, structural shapes can be made economically to meet specific design requirements. ]]></note></mads>