<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31320011</termId><termName>construction block</termName><termType>PT</termType><termNote><![CDATA[ Building block to be used with other similar building blocks in the construction of buildings. May be made of a variety of materials in a variety of shapes and sizes. Often standardized and/or modular. ]]></termNote><termCreatedDate>2026-03-30 20:26:15</termCreatedDate><relation><relationType>UF</relationType><termId>31320012</termId><termName>block, construction</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320013</termId><termName>construction blocks</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31305867</termId><termName>building materials</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31306336</termId><termName>blocks</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31343917</termId><termName>cinder blocks</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31343924</termId><termName>concrete blocks</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31343913</termId><termName>compressed earth block</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31343927</termId><termName>concrete masonry units</termName><termType>PT</termType></relation></term>  </Zthes>