<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31427953</termId><termName>hourglasses</termName><termType>PT</termType><termNote><![CDATA[ Sandglasses for which one hour is required for the given quantity to fall from the upper to the lower vessel. ]]></termNote><termCreatedDate>2026-03-30 20:55:26</termCreatedDate><relation><relationType>UF</relationType><termId>31427954</termId><termName>hour-glasses</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31427955</termId><termName>hourglass</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398020</termId><termName>sandglasses</termName><termType>PT</termType></relation></term>  </Zthes>