<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31347072</termId><termName>mains</termName><termType>PT</termType><termNote><![CDATA[ The principal supply pipes that feed all branches of a plumbing system. ]]></termNote><termCreatedDate>2026-03-30 20:33:38</termCreatedDate><relation><relationType>UF</relationType><termId>31347073</termId><termName>main</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322040</termId><termName>piping</termName><termType>PT</termType></relation></term>  </Zthes>