<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31346062</termId><termName>industrial jewel</termName><termType>PT</termType><termNote><![CDATA[ Hard stone, usually ruby and sapphire, used chiefly for bearings and impulse pins in instruments and for recording needles. ]]></termNote><termCreatedDate>2026-03-30 20:33:21</termCreatedDate><relation><relationType>UF</relationType><termId>31346063</termId><termName>jewel, industrial</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31321615</termId><termName>stone by function</termName><termType>PT</termType></relation></term>  </Zthes>