<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31395608</termId><termName>fin keels</termName><termType>PT</termType><termNote><![CDATA[ Short, deep keels in the shape of a fin, used typically by racing yatchs to improve winward sailing and increase transverse stabilty under sail. ]]></termNote><termCreatedDate>2026-03-30 20:46:20</termCreatedDate><relation><relationType>UF</relationType><termId>31395609</termId><termName>fin keel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395610</termId><termName>fin-keels</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395611</termId><termName>keel, fin</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395612</termId><termName>keels, fin</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31355584</termId><termName>keels</termName><termType>PT</termType></relation></term>  </Zthes>