<?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://www.serbi.ula.ve/tematres/vocab/">MATERIALES</topic></authority><related type="narrower"><topic>ACABADO</topic></related><related type="narrower"><topic>CONDUCTORES ELECTRICOS</topic></related><related type="narrower"><topic>GEOSINTETICOS</topic></related><related type="narrower"><topic>LECHADA</topic></related><related type="narrower"><topic>MATERIALES A ALTAS TEMPERATURAS</topic></related><related type="narrower"><topic>MATERIALES COMPUESTOS</topic></related><related type="narrower"><topic>MATERIALES DE CONSTRUCCION</topic></related><related type="narrower"><topic>MATERIALES DE FRICCION</topic></related><related type="narrower"><topic>MATERIALES ESTRATEGICOS</topic></related><related type="narrower"><topic>MATERIALES GRANULARES</topic></related><related type="narrower"><topic>MATERIALES INHOMOGENEOS</topic></related><related type="narrower"><topic>MATERIALES MAGNETICOS</topic></related><related type="narrower"><topic>MATERIALES NO METALICOS</topic></related><related type="narrower"><topic>MATERIALES PARA CARRETERAS</topic></related><related type="narrower"><topic>MATERIALES POROSOS</topic></related><related type="narrower"><topic>MATERIALES RESISTENTES AL CALOR</topic></related><related type="narrower"><topic>RELLENADORES (MATERIALES)</topic></related><related type="narrower"><topic>Rellenadores (Meteriales)</topic></related><related type="narrower"><topic>SUPERMALLAS COMO MATERIALES</topic></related><related type="other"><topic>PROCESOS DE MANUFACTURA</topic></related><related type="broader"><topic>RADIACION</topic></related><related type="broader"><topic>DISEÑO EN INGENIERÍA</topic></related><variant type="other"><topic>Industria--Materiales</topic></variant><variant type="other"><topic>Ingeniería--Materiales</topic></variant> <note xml:lang="es">Usese para las obras que tratan conjuntamente de los materiales básicos que se emplean en la ingeniería y en la industria para la construcción de aparatos, estructuras, equipos, dispositivos, etc. Las obras que tratan de una sola clase especial aparecen bajo el epígrafe especifico </note></mads>