<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31413933</termId><termName>sems</termName><termType>PT</termType><termNote><![CDATA[ Machine screws that are permanently combined with a lock washer which was inserted before the thread was cut. The term probably derives from an abbreviation for “assemblies,” because the screw and washer are pre-assembled when purchased. ]]></termNote><termCreatedDate>2026-03-30 20:51:20</termCreatedDate><relation><relationType>UF</relationType><termId>31413934</termId><termName>screw and washer assemblies</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31413935</termId><termName>sem</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31377917</termId><termName>machine screws</termName><termType>PT</termType></relation></term>  </Zthes>