<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31377234</termId><termName>waste stacks</termName><termType>PT</termType><termNote><![CDATA[ Vertical pipes or stacks in a plumbing system that convey wastes other than those from toilet fixtures; for stacks that convey the waste from toilet fixtures, use "soil stacks". ]]></termNote><termCreatedDate>2026-03-30 20:41:44</termCreatedDate><relation><relationType>UF</relationType><termId>31377235</termId><termName>stacks, waste</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31377236</termId><termName>waste stack</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31347074</termId><termName>stacks</termName><termType>PT</termType></relation></term>  </Zthes>