<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304211</termId><termName>waterproofing</termName><termType>PT</termType><termNote><![CDATA[ Process of making materials or surfaces impervious to water. To describe materials or articles having surfaces resistant, but not impervious, to water, use "water-repellent." For the state or quality of having little or no affinity for water, especially on a molecular level, use "hydrophobicity." ]]></termNote><termCreatedDate>2026-03-30 20:21:49</termCreatedDate><relation><relationType>UF</relationType><termId>31304212</termId><termName>hydrophobization</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31304213</termId><termName>waterproof</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298641</termId><termName>protective processes and techniques</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31317063</termId><termName>dampproofing</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31301500</termId><termName>hydrophobicity</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31301502</termId><termName>water-repellent</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31311742</termId><termName>watertightness</termName><termType>PT</termType></relation></term>  </Zthes>