<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358371</termId><termName>piezometers</termName><termType>PT</termType><termNote><![CDATA[ Instruments for measuring the pressure head of fluids, as of water in wells. ]]></termNote><termCreatedDate>2026-03-09 20:40:20</termCreatedDate><relation><relationType>UF</relationType><termId>31358372</termId><termName>piezometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325904</termId><termName>pressure measuring devices</termName><termType>PT</termType></relation></term>  </Zthes>