<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31478673</termId><termName>Whipple trusses</termName><termType>PT</termType><termNote><![CDATA[ Double-intersection Pratt trusses having diagonal tension members and vertical compression members. ]]></termNote><termCreatedDate>2026-03-30 21:08:53</termCreatedDate><relation><relationType>UF</relationType><termId>31478674</termId><termName>Linville trusses</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478675</termId><termName>Whipple truss</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478676</termId><termName>trusses, Linville</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478677</termId><termName>trusses, Whipple</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31472539</termId><termName>Pratt trusses</termName><termType>PT</termType></relation></term>  </Zthes>