<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31347185</termId><termName>air-handling units</termName><termType>PT</termType><termNote><![CDATA[ Devices, such as fans or blowers, that distribute a conditioned air supply to a room or space. ]]></termNote><termCreatedDate>2026-03-30 20:33:40</termCreatedDate><relation><relationType>UF</relationType><termId>31347186</termId><termName>air handlers</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347187</termId><termName>air handling unit</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347188</termId><termName>air handling units</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347189</termId><termName>air-handling unit</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31347190</termId><termName>handlers, air</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31322112</termId><termName>ventilation system components</termName><termType>PT</termType></relation></term>  </Zthes>