<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31414134</termId><termName>ball joints</termName><termType>PT</termType><termNote><![CDATA[ Flexible mechanical joints that allow the axis of one part to be set at an angle to the other by virtue of the design of the two components. One possesses a fixed spherical shell to accommodate the ball-shaped end of the other. ]]></termNote><termCreatedDate>2026-03-30 20:51:24</termCreatedDate><relation><relationType>UF</relationType><termId>31414135</termId><termName>ball joint</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31414136</termId><termName>joints, ball</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31378156</termId><termName>metal joints</termName><termType>PT</termType></relation></term>  </Zthes>