<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31421711</termId><termName>knife sharpeners</termName><termType>PT</termType><termNote><![CDATA[ Tools, usually made of steel, used for sharpening knives.  ]]></termNote><termCreatedDate>2026-03-30 20:53:40</termCreatedDate><relation><relationType>UF</relationType><termId>31421712</termId><termName>knife sharpener</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421713</termId><termName>knife sharpeners</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421714</termId><termName>sharpeners, knife</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31388504</termId><termName>metal-cutting and -grinding tools</termName><termType>PT</termType></relation></term>  </Zthes>