<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31438469</termId><termName>steel</termName><termType>PT</termType><termNote><![CDATA[ Any of various hard, strong, durable, malleable alloys of iron and carbon, often with other elements such as manganese, chromium, nickel, molybdenum, copper, tungsten, cobalt, or silicon; widely used as a structural material. ]]></termNote><termCreatedDate>2026-03-30 20:58:11</termCreatedDate><relation><relationType>UF</relationType><termId>31438470</termId><termName>steels</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31412130</termId><termName>iron alloy</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31457282</termId><termName>carbon steel</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31457294</termId><termName>alloy steel</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31457300</termId><termName>Damascus steel</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31457306</termId><termName>crucible steel</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31457309</termId><termName>galvanized steel</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31301964</termId><termName>hammerscale</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31321650</termId><termName>cut steel work</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31321658</termId><termName>steelwork</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31375304</termId><termName>steel wool</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31479123</termId><termName>steel mills</termName><termType>PT</termType></relation></term>  </Zthes>