<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31305887</termId><termName>coolant</termName><termType>PT</termType><termNote><![CDATA[ Liquids or gases used to cool and lubricate a tool, engine, or nuclear reactor. ]]></termNote><termCreatedDate>2026-03-30 20:22:18</termCreatedDate><relation><relationType>BT</relationType><termId>31298939</termId><termName>materials by function</termName><termType>PT</termType></relation></term>  </Zthes>