<?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">dovetail seams</topic></authority><related type="narrower"><topic>flange dovetail seams</topic></related><related type="narrower"><topic>plain dovetail seams</topic></related><related type="narrower"><topic>beaded dovetail seams</topic></related><related type="broader"><topic>metal seams</topic></related><variant type="other"><topic>dovetail seam</topic></variant><variant type="other"><topic>seams, dovetail</topic></variant> <note xml:lang="en"><![CDATA[ In sheet metal work, various types of seams where tabs are cut from the sheet of metal and folded or bent over the collar or another sheet to form a seam. Dovetail seams are typically used on round or elliptical pipe in joining collars to flange; rarely used on rectangular duct. ]]></note></mads>