<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31371883</termId><termName>pickling</termName><termType>PT</termType><termNote><![CDATA[ Cleaning oxide or flux from silver or other metals by the use of extremely dilute sulphuric acid. ]]></termNote><termCreatedDate>2026-03-30 20:40:17</termCreatedDate><relation><relationType>UF</relationType><termId>31371884</termId><termName>pickled</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31340974</termId><termName>metal finishing processes and techniques</termName><termType>PT</termType></relation></term>  </Zthes>