<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31444000</termId><termName>heliostats</termName><termType>PT</termType><termNote><![CDATA[ Devices outfitted with mirrors which, when turned clockwise, direct the sun’s light in a particular direction.  ]]></termNote><termCreatedDate>2026-03-30 20:59:37</termCreatedDate><relation><relationType>UF</relationType><termId>31444001</termId><termName>heliostat</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31444038</termId><termName>siderostats</termName><termType>PT</termType></relation></term>  </Zthes>