<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31471676</termId><termName>concave joints</termName><termType>PT</termType><termNote><![CDATA[ Recessed masonry joints formed in mortar by the use of a curved steel jointing tool; effective in resisting rain penetration. ]]></termNote><termCreatedDate>2026-03-30 21:06:56</termCreatedDate><relation><relationType>UF</relationType><termId>31471677</termId><termName>concave joint</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471678</termId><termName>joints, concave</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471679</termId><termName>joints, rodded</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31471680</termId><termName>rodded joints</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31458139</termId><termName>tooled joints</termName><termType>PT</termType></relation></term>  </Zthes>