<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31421666</termId><termName>zigzag rules</termName><termType>PT</termType><termNote><![CDATA[ Rules comprised of short strips of wood joined at their ends by rivets so that the pieces are foldable, in a zigzag manner, in parallel planes; most usually the strips are in 6-inch or 1-foot lengths, and the rules are 6 feet or 8 feet long when open; also of similar lengths in metric units. Distinct from "folding rules" which tend to be shorter and have sections that usually pivot or fold in more than one plane. ]]></termNote><termCreatedDate>2026-03-30 20:53:39</termCreatedDate><relation><relationType>UF</relationType><termId>31421671</termId><termName>zig-zag rules</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421672</termId><termName>zigzag rule</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421667</termId><termName>rules, zig zag</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421668</termId><termName>rules, zig-zag</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421669</termId><termName>rules, zigzag</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31421670</termId><termName>zig zag rules</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31388393</termId><termName>rulers by form</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31421622</termId><termName>folding rules</termName><termType>PT</termType></relation></term>  </Zthes>