<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31347076</termId><termName>risers</termName><termType>PT</termType><termNote><![CDATA[ Vertical or return piping in plumbing systems; for vertical mains for soil, waste, or venting, use "stacks." ]]></termNote><termCreatedDate>2026-03-30 20:33:38</termCreatedDate><relation><relationType>UF</relationType><termId>31347077</termId><termName>riser</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347078</termId><termName>riser pipe</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347079</termId><termName>riser pipes</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322040</termId><termName>piping</termName><termType>PT</termType></relation></term>  </Zthes>