<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31353803</termId><termName>metal detectors</termName><termType>PT</termType><termNote><![CDATA[ Any of various types of electronic instruments for detecting the presence of metallic objects by means of their effects on an electromagnetic field. Examples include portable devices with a search head that is swept over the ground to locate buried metal objects, a hand-held or walk-through security device for locating concealed weapons, and a device for checking for the presence of extraneous pieces of metal in food. ]]></termNote><termCreatedDate>2026-03-30 20:35:30</termCreatedDate><relation><relationType>UF</relationType><termId>31353804</termId><termName>detectors, metal</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31353805</termId><termName>metal detector</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324603</termId><termName>metalworking equipment</termName><termType>PT</termType></relation></term>  </Zthes>