<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457278</termId><termName>white iron</termName><termType>PT</termType><termNote><![CDATA[ A hard silvery-white cast iron or pig iron that has its carbon content almost completely in combined form; can also refer to thin sheets of iron coated with tin. ]]></termNote><termCreatedDate>2026-03-30 21:03:05</termCreatedDate><relation><relationType>UF</relationType><termId>31457279</termId><termName>iron, white</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457280</termId><termName>irons, white</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457281</termId><termName>white irons</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31438464</termId><termName>cast iron</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31344486</termId><termName>marcasite</termName><termType>PT</termType></relation></term>  </Zthes>