<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31346548</termId><termName>resistance heating</termName><termType>PT</termType><termNote><![CDATA[ Mechanical systems generating heat by the resistance of conductors to electric current. ]]></termNote><termCreatedDate>2026-03-30 20:33:28</termCreatedDate><relation><relationType>UF</relationType><termId>31346549</termId><termName>electric heating</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31346550</termId><termName>electric resistance heaters</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31346551</termId><termName>electric resistance heating</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31346552</termId><termName>heating, electric</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31346553</termId><termName>heating, electric resistance</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31346554</termId><termName>heating, resistance</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31321800</termId><termName>heating systems</termName><termType>PT</termType></relation></term>  </Zthes>