<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304305</termId><termName>heat-sealing</termName><termType>PT</termType><termNote><![CDATA[ A method of joining plastic sheets or films by the simultaneous application of heat and pressure to the areas in contact. ]]></termNote><termCreatedDate>2026-03-30 20:21:51</termCreatedDate><relation><relationType>UF</relationType><termId>31304306</termId><termName>heat-sealed</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298646</termId><termName>sealing</termName><termType>PT</termType></relation></term>  </Zthes>