<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31391339</termId><termName>food heat lamps</termName><termType>PT</termType><termNote><![CDATA[ Devices used to keep hot food at temperature via infrared radiation. ]]></termNote><termCreatedDate>2026-03-30 20:54:01</termCreatedDate><relation><relationType>UF</relationType><termId>31391340</termId><termName>food heat lamp</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31391341</termId><termName>food heat lamps</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31483049</termId><termName>heat lamp, food</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31391483</termId><termName>food warmers</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31319103</termId><termName>food service</termName><termType>PT</termType></relation></term>  </Zthes>