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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Calefacción</topic></authority><related type="narrower"><topic>Calefacción por radiación</topic></related><related type="narrower"><topic>Calefacción solar</topic></related><related type="narrower"><topic>Chimeneas</topic></related><related type="narrower"><topic>Calderas</topic></related><related type="narrower"><topic>Calentadores</topic></related><related type="other"><topic>Calderas de vapor</topic></related><related type="other"><topic>Hornos</topic></related><related type="other"><topic>Intercambiadores de calor</topic></related><related type="other"><topic>Bombas de calor</topic></related><related type="other"><topic>Aire acondicionado</topic></related><related type="other"><topic>Aislamiento térmico</topic></related><related type="other"><topic>Cogeneración de calor y electricidad</topic></related><related type="other"><topic>Ventilación</topic></related><related type="other"><topic>Termotecnia</topic></related><related type="broader"><topic>Ingeniería ambiental</topic></related></mads>