<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31384649</termId><termName>animal-powered engines</termName><termType>PT</termType><termNote><![CDATA[ Engines that are activated through the use of animal locomotion. The animal works either in a vertical or horizontal plane to drive a central axis, treadwheel, or series of gears in more sophisticated machines. ]]></termNote><termCreatedDate>2026-03-30 20:43:47</termCreatedDate><relation><relationType>UF</relationType><termId>31384650</termId><termName>animal-powered engine</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31384651</termId><termName>engines, animal-powered</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31352640</termId><termName>engines</termName><termType>PT</termType></relation></term>  </Zthes>