<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375062</termId><termName>glass block</termName><termType>PT</termType><termNote><![CDATA[ Material made from glass, having a three-dimensional rectangular form and used architectural building or decorative elements; its function is to admit light while providing visual obscuration. ]]></termNote><termCreatedDate>2026-03-30 20:41:08</termCreatedDate><relation><relationType>UF</relationType><termId>31375063</termId><termName>block, glass</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31375064</termId><termName>glass blocks</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31375065</termId><termName>glass brick</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344444</termId><termName>glass by form</termName><termType>PT</termType></relation></term>  </Zthes>