<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31363162</termId><termName>troy ounces</termName><termType>PT</termType><termNote><![CDATA[ The standard system of weight in ounces used for precious metals and precious stones; one troy ounce is defined as exactly 31.1034768 g.  ]]></termNote><termCreatedDate>2026-03-30 20:38:00</termCreatedDate><relation><relationType>UF</relationType><termId>31363163</termId><termName>ounces, troy</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31363164</termId><termName>oz t</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31363165</termId><termName>troy ounce</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31333942</termId><termName>size/dimension units for weight</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31333935</termId><termName>karats</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31363137</termId><termName>carats</termName><termType>PT</termType></relation></term>  </Zthes>