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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">MINERIA A CIELO ABIERTO</topic></authority><related type="broader"><topic>INGENIERIA DE MINAS</topic></related><variant type="other"><topic>Explotación minera</topic></variant><variant type="other"><topic>Mineria a tajo abierto</topic></variant></mads>