<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31318558</termId><termName>environmental control</termName><termType>PT</termType><termNote><![CDATA[ Measures taken to create desirable conditions and limit specific undesirable factors within a given, often a closed, environment. ]]></termNote><termCreatedDate>2026-03-30 20:25:48</termCreatedDate><relation><relationType>UF</relationType><termId>31318559</termId><termName>control, environmental</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31318560</termId><termName>environmental management</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31318561</termId><termName>management, environmental</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31305288</termId><termName>maintenance</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31342258</termId><termName>pollution control</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31342260</termId><termName>humidity control</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31342263</termId><termName>noise control</termName><termType>PT</termType></relation></term>  </Zthes>