<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31305907</termId><termName>fuel</termName><termType>PT</termType><termNote><![CDATA[ Material used to produce heat or power by burning. ]]></termNote><termCreatedDate>2026-03-30 20:22:18</termCreatedDate><relation><relationType>UF</relationType><termId>31305908</termId><termName>fuels</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298939</termId><termName>materials by function</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31391120</termId><termName>canned fuels</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320045</termId><termName>firewood</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320048</termId><termName>fossil fuel</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320050</termId><termName>natural gas</termName><termType>PT</termType></relation></term>  </Zthes>