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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">ALCANTARILLADO</topic></authority><related type="narrower"><topic>AGUAS RESIDUALES</topic></related><related type="narrower"><topic>ALCANTARILLAS DE AGUAS RESIDUALES PLUVIALES</topic></related><related type="narrower"><topic>POZOS (INGENIERIA HIDRAULICA)</topic></related><related type="other"><topic>PLOMERIA</topic></related><related type="other"><topic>DRENAJE</topic></related><related type="broader"><topic>DESAGÜE EN LA VIVIENDA</topic></related><related type="broader"><topic>ESTRUCTURAS HIDRAULICAS</topic></related><related type="broader"><topic>INGENIERIA MUNICIPAL</topic></related><variant type="other"><topic>Cloacas</topic></variant><variant type="other"><topic>Desagües cloacales</topic></variant><variant type="other"><topic>Viviendas--Desagües</topic></variant></mads>