<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31477977</termId><termName>poster board</termName><termType>PT</termType><termNote><![CDATA[ A thicker and slightly stiffer form of railroad board; six-ply and eight-ply are the common thicknesses. Poster board is typically covered on only one side with either white or colored paper. ]]></termNote><termCreatedDate>2026-03-30 21:08:42</termCreatedDate><relation><relationType>UF</relationType><termId>31477978</termId><termName>board, poster</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31469788</termId><termName>railroad board</termName><termType>PT</termType></relation></term>  </Zthes>