<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31402519</termId><termName>mechanical drawings</termName><termType>PT</termType><termNote><![CDATA[ Drawings of the mechanical systems of buildings (e.g., HVAC and plumbing systems). ]]></termNote><termCreatedDate>2026-03-30 20:48:14</termCreatedDate><relation><relationType>UF</relationType><termId>31402520</termId><termName>drawings, mechanical</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31402521</termId><termName>mechanical drawing</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31361074</termId><termName>architectural drawings</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31431975</termId><termName>HVAC drawings</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31431982</termId><termName>plumbing drawings</termName><termType>PT</termType></relation></term>  </Zthes>