<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358760</termId><termName>hard hats</termName><termType>PT</termType><termNote><![CDATA[ Protective hats made of strengthened, rigid materials with a shock-absorbing lining, often yellow; worn in hazardous working conditions for protection and visibility. ]]></termNote><termCreatedDate>2026-03-02 20:48:41</termCreatedDate><relation><relationType>UF</relationType><termId>31358761</termId><termName>hard hat</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358762</termId><termName>hat, hard</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358763</termId><termName>hats, hard</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325975</termId><termName>protective wear</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31358754</termId><termName>helmets</termName><termType>PT</termType></relation></term>  </Zthes>