<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31398247</termId><termName>durometers</termName><termType>PT</termType><termNote><![CDATA[ Devices consisting of a small drill or blunt indenter point under pressure and used to measure the hardness of materials, such as metals, rubber, and rock. ]]></termNote><termCreatedDate>2026-03-30 20:47:04</termCreatedDate><relation><relationType>UF</relationType><termId>31398248</termId><termName>durometer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398249</termId><termName>hardness tester</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398250</termId><termName>hardness testers</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398251</termId><termName>testers, hardness</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31358256</termId><termName>densimeters</termName><termType>PT</termType></relation></term>  </Zthes>