<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375222</termId><termName>opaque glass</termName><termType>PT</termType><termNote><![CDATA[ Glass that is impenetrable by light, neither transparent nor translucent.  ]]></termNote><termCreatedDate>2026-03-30 20:41:11</termCreatedDate><relation><relationType>UF</relationType><termId>31375223</termId><termName>glass, opaque</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31375224</termId><termName>opaque glasses</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344446</termId><termName>glass by property</termName><termType>PT</termType></relation></term>  </Zthes>