<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31347208</termId><termName>cowls</termName><termType>PT</termType><termNote><![CDATA[ Refers to caps or hoodlike devices which cover and protect the open top of pipes, stacks, or shafts while permitting the free passage of air. ]]></termNote><termCreatedDate>2026-03-30 20:33:40</termCreatedDate><relation><relationType>UF</relationType><termId>31347209</termId><termName>cowl</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347210</termId><termName>cowls, ventilating</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347211</termId><termName>ventilating cowls</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322112</termId><termName>ventilation system components</termName><termType>PT</termType></relation></term>  </Zthes>