<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31375234</termId><termName>metallized glass</termName><termType>PT</termType><termNote><![CDATA[ Glass that is coated with a highly reflective metallic coating, often used for mirrors and decorative effects. Glass mirrors with a metallized backing were first constructed in Venice in the 16th century using an amalgam of tinfoil and mercury. In 1836, a German chemist, J. von Liebig, developed a method to coat the glass with a silver salt then reduce it to metallic silver. For glass used to reflect solar radiation in windows, use "reflective glass." ]]></termNote><termCreatedDate>2026-03-30 20:41:11</termCreatedDate><relation><relationType>UF</relationType><termId>31375235</termId><termName>glass, metallized</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31375236</termId><termName>metallized glasses</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31375237</termId><termName>mirror glass</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31375238</termId><termName>mirrored glass</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344446</termId><termName>glass by property</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31375199</termId><termName>reflective glass</termName><termType>PT</termType></relation></term>  </Zthes>