<?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_en">purlins</topic></authority><related type="narrower"><topic>gōpānasī</topic></related><related type="broader"><topic>horizontal roof frame components</topic></related><variant type="other"><topic>purlin</topic></variant><variant type="other"><topic>purlines</topic></variant><variant type="other"><topic>purlins, roof</topic></variant><variant type="other"><topic>roof purlins</topic></variant> <note xml:lang="en"><![CDATA[ The horizontal timbers laid across the principal rafters and supporting the common rafters in a roof. Purlins differ from beams in roof construction in that purlins usually do not support any other members, instead supporting loads from the roof deck. ]]></note></mads>