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	mads.xsd"><authority><topic authority="https://bibliotecadigital.fia.cl/tesauro/vocab/">Aleación</topic></authority><related type="narrower"><topic>Aleación ferrosa</topic></related><related type="narrower"><topic>Aleación no ferrosa</topic></related><related type="narrower"><topic>Hojalata</topic></related><related type="narrower"><topic>Latón</topic></related><related type="other"><topic>Metalurgia</topic></related><related type="broader"><topic>Metal</topic></related></mads>