<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31374191</termId><termName>header</termName><termType>PT</termType><termNote><![CDATA[ A masonry unit, laid so that its ends are exposed, overlapping two or more adjacent wythes of masonry and tying them together. ]]></termNote><termCreatedDate>2026-03-30 20:40:54</termCreatedDate><relation><relationType>BT</relationType><termId>31343902</termId><termName>masonry units</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31411226</termId><termName>bull header</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31411228</termId><termName>glazed header</termName><termType>PT</termType></relation></term>  </Zthes>