<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31439506</termId><termName>dovetail seams</termName><termType>PT</termType><termNote><![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. ]]></termNote><termCreatedDate>2026-03-30 20:58:28</termCreatedDate><relation><relationType>UF</relationType><termId>31439507</termId><termName>dovetail seam</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31439508</termId><termName>seams, dovetail</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31414163</termId><termName>metal seams</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31458150</termId><termName>flange dovetail seams</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31458154</termId><termName>plain dovetail seams</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31458157</termId><termName>beaded dovetail seams</termName><termType>PT</termType></relation></term>  </Zthes>