<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31412348</termId><termName>steam</termName><termType>PT</termType><termNote><![CDATA[ Water in the form of an invisible gas or vapor, changed to this form by boiling and used extensively for the generation of mechanical power. ]]></termNote><termCreatedDate>2026-03-30 20:50:52</termCreatedDate><relation><relationType>BT</relationType><termId>31375527</termId><termName>water vapor</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31304762</termId><termName>steaming</termName><termType>PT</termType></relation></term>  </Zthes>