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	mads.xsd"><authority><topic authority="https://adm.senado.leg.br/vcb/vocab/">Linha de transmissão</topic></authority><related type="narrower"><topic>Cabo coaxial</topic></related><related type="narrower"><topic>Cabo submarino</topic></related><related type="narrower"><topic>Linha telefônica</topic></related><related type="narrower"><topic>Linha telegráfica</topic></related><related type="broader"><topic>Sistema de comunicação</topic></related><variant type="other"><topic>Linha de telecomunicação</topic></variant></mads>