<?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">triangles</topic></authority><related type="narrower"><topic>drafting triangles</topic></related><related type="broader"><topic>shaping and guiding tools</topic></related><variant type="other"><topic>set squares</topic></variant><variant type="other"><topic>squares, set</topic></variant><variant type="other"><topic>triangle</topic></variant> <note xml:lang="en"><![CDATA[ Implements of flat plastic, wood, or other material, made in a great number of triangular shapes and sizes; used as guides for drawing lines at various angles. ]]></note></mads>