<?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">sandwich material</topic></authority><related type="broader"><topic>composite material</topic></related><variant type="other"><topic>material, sandwich</topic></variant><variant type="other"><topic>sandwich materials</topic></variant> <note xml:lang="en"><![CDATA[ Composite material in which the separate materials are arranged in layers. An example is foam board, where smooth outer skins are adhered to an interior layer of fine-cell foam. ]]></note></mads>