<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31415375</termId><termName>underlayment</termName><termType>PT</termType><termNote><![CDATA[ Plywood, hardboard, or other material placed on a subfloor to provide a smooth, even surface for applying the finish. ]]></termNote><termCreatedDate>2026-03-30 20:51:46</termCreatedDate><relation><relationType>UF</relationType><termId>31415376</termId><termName>undercoverings</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31415377</termId><termName>underlays</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31378650</termId><termName>floor components</termName><termType>PT</termType></relation></term>  </Zthes>