<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343799</termId><termName>cleaver&apos;s cement</termName><termType>PT</termType><termNote><![CDATA[ A compound of shellac, rosin, brick- and glass dust, often with other additives that is used to hold diamonds or other gemstones in place as they are cut. It softens when heat is applied but has a hard consistency when cooled. The composition is intended to lessen shock waves that might cause a stone to be shattered during a cleaving blow. ]]></termNote><termCreatedDate>2026-03-30 20:32:43</termCreatedDate><relation><relationType>UF</relationType><termId>31343800</termId><termName>cleavering cement</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319901</termId><termName>adhesive by function</termName><termType>PT</termType></relation></term>  </Zthes>