<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31472280</termId><termName>open web joists</termName><termType>PT</termType><termNote><![CDATA[ Trusslike joists having an open web whose component parts are either hot-rolled structural shapes or cold-formed light-gauge steel shapes. Trusslike joists having an open web whose component parts are either hot-rolled structural shapes or cold-formed light-gauge steel shapes. ]]></termNote><termCreatedDate>2026-03-30 21:07:06</termCreatedDate><relation><relationType>UF</relationType><termId>31472285</termId><termName>open-web joists</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472286</termId><termName>trussed joists</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472281</termId><termName>bar joists</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472282</termId><termName>joists, open web</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472283</termId><termName>open web joist</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472284</termId><termName>open web steel joists</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31458560</termId><termName>joists</termName><termType>PT</termType></relation></term>  </Zthes>