<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31465324</termId><termName>steam locomotives</termName><termType>PT</termType><termNote><![CDATA[ Locomotives powered by onboard internally fired boilers through which hot exhaust gases flow from a firebox in the rear to a smokebox and stack at the front and in which high-pressure steam expands within cylinders to drive two pistons; often having coal or water tenders coupled behind. ]]></termNote><termCreatedDate>2026-03-30 21:05:14</termCreatedDate><relation><relationType>UF</relationType><termId>31465325</termId><termName>engines, steam</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31465326</termId><termName>locomotive, steam</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31465327</termId><termName>locomotives, steam</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31465328</termId><termName>locomotives, steam engine</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31465329</termId><termName>steam engine locomotives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31465330</termId><termName>steam engines</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31465331</termId><termName>steam locomotive</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31449446</termId><termName>locomotives by method of propulsion</termName><termType>PT</termType></relation></term>  </Zthes>