<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31411124</termId><termName>hard solder</termName><termType>PT</termType><termNote><![CDATA[ High-melting brazing alloy, typically brass with silver, requiring temperatures ranging between 750 and 900 degrees Celsius to melt. ]]></termNote><termCreatedDate>2026-03-30 20:50:33</termCreatedDate><relation><relationType>UF</relationType><termId>31411125</termId><termName>brazing alloy</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31411126</termId><termName>brazing solder</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31411127</termId><termName>silver solder</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31411128</termId><termName>solder, hard</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31374001</termId><termName>solder</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31457188</termId><termName>brass</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31341605</termId><termName>soldering</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31343537</termId><termName>silver</termName><termType>PT</termType></relation></term>  </Zthes>