<?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">[screws by form]</topic></authority><related type="narrower"><topic>thumbscrews</topic></related><related type="narrower"><topic>cylinder screws</topic></related><related type="narrower"><topic>machine screws</topic></related><related type="narrower"><topic>setscrews</topic></related><related type="narrower"><topic>sheet metal screws</topic></related><related type="narrower"><topic>wood screws</topic></related><related type="narrower"><topic>clamping screws</topic></related><related type="narrower"><topic>[screws by form: head type]</topic></related><related type="narrower"><topic>Allen screws</topic></related><related type="narrower"><topic>molly bolts</topic></related><related type="broader"><topic>screws</topic></related></mads>