<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31478605</termId><termName>three-hinged arches</termName><termType>PT</termType><termNote><![CDATA[ Wood or metal arches that are hinged at the two springing points and at the crown. ]]></termNote><termCreatedDate>2026-03-30 21:08:52</termCreatedDate><relation><relationType>UF</relationType><termId>31478606</termId><termName>arches, three-hinged</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478607</termId><termName>arches, three-pinned</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478608</termId><termName>three-hinged arch</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478609</termId><termName>three-pinned arches</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31472388</termId><termName>arches by form: hinging</termName><termType>PT</termType></relation></term>  </Zthes>