<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358523</termId><termName>pyrometric cones</termName><termType>PT</termType><termNote><![CDATA[ Small pyramid or cone shaped made from various refractory materials and intended to melt at different temperatures; used in kilns where temperature is not automatically regulated. ]]></termNote><termCreatedDate>2026-03-30 20:36:42</termCreatedDate><relation><relationType>UF</relationType><termId>31358524</termId><termName>cones</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358525</termId><termName>pyrometric cone</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325917</termId><termName>heat sensing and measuring devices</termName><termType>PT</termType></relation></term>  </Zthes>