<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375039</termId><termName>nonlead glass</termName><termType>PT</termType><termNote><![CDATA[ General term for glass that is not "lead glass," that is not containing a high proportion of lead oxide. Used primarily in cases where the reader may assume lead glass if not otherwise alerted. ]]></termNote><termCreatedDate>2026-03-30 20:41:08</termCreatedDate><relation><relationType>UF</relationType><termId>31375040</termId><termName>glass, nonlead</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344443</termId><termName>glass by composition or origin</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31374981</termId><termName>lead glass</termName><termType>PT</termType></relation></term>  </Zthes>