<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31357832</termId><termName>burr puzzles</termName><termType>PT</termType><termNote><![CDATA[ Solid geometric puzzles composed of interlocking notched rods of wood or plastic whose final assembled form is highly symmetrical. ]]></termNote><termCreatedDate>2026-03-30 20:36:30</termCreatedDate><relation><relationType>UF</relationType><termId>31357833</termId><termName>Chinese puzzles</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31357834</termId><termName>burr puzzle</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31357835</termId><termName>puzzle, Chinese</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31357836</termId><termName>puzzles, burr</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325497</termId><termName>mechanical puzzles</termName><termType>PT</termType></relation></term>  </Zthes>