<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31460269</termId><termName>reactor containment buildings</termName><termType>PT</termType><termNote><![CDATA[ Structures, often made of steel or reinforced concrete, enclosing a nuclear reactor and designed to contain the escape of radiation to the environment. ]]></termNote><termCreatedDate>2026-03-30 21:03:52</termCreatedDate><relation><relationType>UF</relationType><termId>31460270</termId><termName>buildings, reactor containment</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31460271</termId><termName>containment buildings</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31460272</termId><termName>containment structures</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31460273</termId><termName>containment vessels</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31460274</termId><termName>reactor containment building</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31460275</termId><termName>reactor containment vessels</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31442932</termId><termName>power plant buildings</termName><termType>PT</termType></relation></term>  </Zthes>