<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31437778</termId><termName>pumice</termName><termType>PT</termType><termNote><![CDATA[ Finely ground pigment made from pumice vocanic stone, used to make a clear glaze for ceramics. ]]></termNote><termCreatedDate>2026-03-30 20:58:01</termCreatedDate><relation><relationType>BT</relationType><termId>31411089</termId><termName>transparent white pigment</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31457318</termId><termName>volcanic glass</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31471217</termId><termName>pumice</termName><termType>PT</termType></relation></term>  </Zthes>