<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31461726</termId><termName>blackboards</termName><termType>PT</termType><termNote><![CDATA[ Boards with a dark, usually black or green, surface for writing or drawing with chalk or a similar material. Examples of use include as a teaching aid in classrooms, and in shops, restaurants, or elsewhere for displays, usually words, that may be easily altered. ]]></termNote><termCreatedDate>2026-03-30 21:04:15</termCreatedDate><relation><relationType>UF</relationType><termId>31461727</termId><termName>blackboard</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31461728</termId><termName>chalkboards</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31445342</termId><termName>writing boards</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31438626</termId><termName>blackboard slate</termName><termType>PT</termType></relation></term>  </Zthes>