<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31445685</termId><termName>tunnel kilns</termName><termType>PT</termType><termNote><![CDATA[ Kilns, often used for mass-produced ceramics, consisting of a continuous conveyor belt or railcar operation with the ware traversing the kiln and gradually being heated from room temperature, through a hot zone, and back down to room temperature. ]]></termNote><termCreatedDate>2026-03-30 21:00:00</termCreatedDate><relation><relationType>UF</relationType><termId>31445686</termId><termName>continuous kilns</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31445687</termId><termName>kilns, tunnel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31445688</termId><termName>tunnel kiln</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31445689</termId><termName>tunnel-kilns</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31421347</termId><termName>kilns by form</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31462011</termId><termName>car tunnel kilns</termName><termType>PT</termType></relation></term>  </Zthes>