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mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">[materials by property]</topic></authority><related type="narrower"><topic>acid</topic></related><related type="narrower"><topic>abrasion-resistant material</topic></related><related type="narrower"><topic>surface active agent</topic></related><related type="narrower"><topic>chemical-resistant material</topic></related><related type="narrower"><topic>corrosive material</topic></related><related type="narrower"><topic>heat resistant material</topic></related><related type="narrower"><topic>inert material</topic></related><related type="narrower"><topic>pollutants</topic></related><related type="narrower"><topic>pyroclastic material</topic></related><related type="narrower"><topic>magnets</topic></related><related type="narrower"><topic>imitative materials</topic></related><related type="narrower"><topic>hazardous substance</topic></related><related type="narrower"><topic>buffer</topic></related><related type="narrower"><topic>impurities</topic></related><related type="narrower"><topic>dielectric</topic></related><related type="narrower"><topic>base</topic></related><related type="narrower"><topic>luminophor</topic></related><related type="narrower"><topic>sorbent</topic></related><related type="narrower"><topic>modern materials</topic></related><related type="narrower"><topic>nanomaterials</topic></related><related type="narrower"><topic>smart materials</topic></related><related type="narrower"><topic>electrolytes</topic></related><related type="narrower"><topic>sulfate-reducing bacteria</topic></related><related type="narrower"><topic>chemicals</topic></related><related type="narrower"><topic>multiple materials</topic></related><related type="narrower"><topic>worked material</topic></related><related type="narrower"><topic>phase change material</topic></related><related type="narrower"><topic>poisonous substance</topic></related><related type="broader"><topic>materials</topic></related></mads>