<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304328</termId><termName>quenching</termName><termType>PT</termType><termNote><![CDATA[ In metallurgy, a technique for hardening and encrusting metal in which molten metal is plunged into cold water or oil. ]]></termNote><termCreatedDate>2026-03-30 20:21:51</termCreatedDate><relation><relationType>UF</relationType><termId>31304329</termId><termName>quenched</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298649</termId><termName>temperature-related techniques</termName><termType>PT</termType></relation></term>  </Zthes>