<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31325534</termId><termName>aerobics steps</termName><termType>PT</termType><termNote><![CDATA[ Rectangular boards with low feet used for step aerobic exercise.  ]]></termNote><termCreatedDate>2026-03-30 20:27:44</termCreatedDate><relation><relationType>UF</relationType><termId>31325535</termId><termName>aerobics step</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31325536</termId><termName>step block</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31307785</termId><termName>fitness and exercise equipment</termName><termType>PT</termType></relation></term>  </Zthes>