<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31472610</termId><termName>corbel vaults</termName><termType>PT</termType><termNote><![CDATA[ Vaults constructed by corbeling, or cantilevering, successive courses inward beyond the preceding one, until they meet and are capped at the vault's midpoint. ]]></termNote><termCreatedDate>2026-03-30 21:07:12</termCreatedDate><relation><relationType>UF</relationType><termId>31472611</termId><termName>corbel vault</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472612</termId><termName>corbelled vaults</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472613</termId><termName>vaults, corbel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31472614</termId><termName>vaults, corbelled</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31458745</termId><termName>vaults by construction</termName><termType>PT</termType></relation></term>  </Zthes>