<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31323716</termId><termName>ventilation towers</termName><termType>PT</termType><termNote><![CDATA[ Architectural towers designed to allow a through flow of fresh air or to divert polluted air outdoors. They may employ wind turbines or use wind-induced natural ventilation. ]]></termNote><termCreatedDate>2026-03-30 20:27:18</termCreatedDate><relation><relationType>UF</relationType><termId>31323717</termId><termName>towers, ventilation</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31323718</termId><termName>ventilating towers</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31323719</termId><termName>ventilation tower</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31307179</termId><termName>towers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31351091</termId><termName>wind catchers</termName><termType>PT</termType></relation></term>  </Zthes>