<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31469784</termId><termName>conservation board</termName><termType>PT</termType><termNote><![CDATA[ Board composed of purified cellulose pulp from wood where lignin has been removed and to which an alkaline buffer has been added. ]]></termNote><termCreatedDate>2026-03-30 21:06:27</termCreatedDate><relation><relationType>UF</relationType><termId>31469785</termId><termName>board, chemical wood pulp</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31469786</termId><termName>board, conservation</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31469787</termId><termName>chemical wood pulp board</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31455739</termId><termName>cardboard</termName><termType>PT</termType></relation></term>  </Zthes>