<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31478164</termId><termName>tezontle</termName><termType>PT</termType><termNote><![CDATA[ Porous volcanic stone, a dark reddish pumice, used as a construction and building material in Mexico since prehistoric times.   ]]></termNote><termCreatedDate>2026-03-30 21:08:45</termCreatedDate><relation><relationType>BT</relationType><termId>31471217</termId><termName>pumice</termName><termType>PT</termType></relation></term>  </Zthes>