<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31321845</termId><termName>water distribution systems</termName><termType>PT</termType><termNote><![CDATA[ Plumbing systems used to pump water.  ]]></termNote><termCreatedDate>2026-03-30 20:26:46</termCreatedDate><relation><relationType>UF</relationType><termId>31321846</termId><termName>systems, water distribution</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321847</termId><termName>water distribution system</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31306815</termId><termName>plumbing systems</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31346799</termId><termName>downfeed systems</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31346805</termId><termName>upfeed systems</termName><termType>PT</termType></relation></term>  </Zthes>