<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31379749</termId><termName>screw-in sockets</termName><termType>PT</termType><termNote><![CDATA[ Light sockets designed so that a cylindrical termination of a bulb may be attached by rotating the bulb along helical or spiral threading lining the interior of the socket. ]]></termNote><termCreatedDate>2026-03-30 20:42:26</termCreatedDate><relation><relationType>UF</relationType><termId>31379750</termId><termName>screw-in socket</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31379751</termId><termName>sockets, screw-in</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31350069</termId><termName>light sockets</termName><termType>PT</termType></relation></term>  </Zthes>