<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_es">componentes de sistemas</topic></authority><related type="narrower"><topic>componentes de sistemas eléctricos</topic></related><related type="narrower"><topic>[componentes de sistema de instalación sanitaria y agua pluvial]</topic></related><related type="narrower"><topic>componentes HVAC</topic></related><related type="narrower"><topic>componentes sistemas de telecomunicación</topic></related><related type="narrower"><topic>elementos de infraestructura</topic></related><related type="narrower"><topic>componentes de sistemas de protección</topic></related><related type="broader"><topic>componentes según contexto específico</topic></related><related type="broader"><topic>sistemas</topic></related></mads>