<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31374794</termId><termName>grog</termName><termType>PT</termType><termNote><![CDATA[ Refers to prevously burnt, finely ground pottery that is added to terracotta clay in order to open the pores. ]]></termNote><termCreatedDate>2026-03-30 20:41:04</termCreatedDate><relation><relationType>UF</relationType><termId>31374795</termId><termName>chamotte</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31374796</termId><termName>fire clay</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31374797</termId><termName>fire-clay</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31344436</termId><termName>clay by product</termName><termType>PT</termType></relation></term>  </Zthes>