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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">PUENTES</topic></authority><related type="narrower"><topic>ALCANTARILLAS</topic></related><related type="narrower"><topic>ARCOS (ARQUITECTURA)</topic></related><related type="narrower"><topic>CALZADAS</topic></related><related type="narrower"><topic>ELEVADOS</topic></related><related type="narrower"><topic>LINEAS DE INFLUENCIA (INGENIERIA)</topic></related><related type="narrower"><topic>VIADUCTOS</topic></related><related type="narrower"><topic>VIGAS</topic></related><related type="broader"><topic>ESTRUCTURAS HIDRAULICAS</topic></related><related type="broader"><topic>INGENIERIA CIVIL</topic></related><related type="broader"><topic>TRANSPORTE</topic></related><related type="broader"><topic>HIDROGRAFIA</topic></related><related type="broader"><topic>ARMADURAS (CONSTRUCCION)</topic></related><related type="broader"><topic>CONSTRUCCION DE FERROCARRILES</topic></related><related type="broader"><topic>CONSTRUCCIONES METALICAS</topic></related></mads>