<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31347225</termId><termName>boilers</termName><termType>PT</termType><termNote><![CDATA[ Refers to a wide range of pressure vessels in which water or other fluid is heated and then discharged to supply hot water for heating or steam for heating or power generation. ]]></termNote><termCreatedDate>2026-03-30 20:33:40</termCreatedDate><relation><relationType>UF</relationType><termId>31347226</termId><termName>boiler</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322115</termId><termName>cooling, heating and humidifying components</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31377292</termId><termName>hot water boilers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31377297</termId><termName>steam boilers</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31314866</termId><termName>boilermakers</termName><termType>PT</termType></relation></term>  </Zthes>