<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31472446</termId><termName>bowstring trusses</termName><termType>PT</termType><termNote><![CDATA[ Trusses having a bow-shaped top chord, often semicircular or parabolic, and a straight or cambered member that ties together the two ends of the bow. ]]></termNote><termCreatedDate>2026-03-30 21:07:09</termCreatedDate><relation><relationType>UF</relationType><termId>31472447</termId><termName>Belfast trusses</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472448</termId><termName>arch-trusses, bowstring</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472449</termId><termName>bowstring arch-trusses</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472450</termId><termName>bowstring truss</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472451</termId><termName>trusses, Belfast</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472452</termId><termName>trusses, bowstring</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31458648</termId><termName>trusses by form</termName><termType>PT</termType></relation></term>  </Zthes>