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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">GOMAS Y RESINAS SISTETICAS</topic></authority><related type="narrower"><topic>HORMIGON PLASTICO</topic></related><related type="narrower"><topic>POLIESTERES</topic></related><related type="narrower"><topic>PRODUCTOS SISTETICOS</topic></related><related type="narrower"><topic>RESINAS ACRILICAS</topic></related><related type="narrower"><topic>RESINAS DENTALES</topic></related><related type="narrower"><topic>RESINAS EPOXI</topic></related><related type="narrower"><topic>RESINAS FENOLICAS</topic></related><related type="narrower"><topic>TERMOPLASTICOS</topic></related><related type="broader"><topic>PLASTICOS</topic></related><related type="broader"><topic>PRODUCTOS SISTETICOS</topic></related><related type="broader"><topic>RECUBRIMIENTOS PROTECTORES</topic></related><variant type="other"><topic>Resinas artificiales</topic></variant><variant type="other"><topic>Resinas sintéticas</topic></variant></mads>