<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31392115</termId><termName>double boilers</termName><termType>PT</termType><termNote><![CDATA[ Containers consisting of two pots, one of which fits partway into the other; water is boiled in the lower pot to warm, melt, or cook the substance in the other. ]]></termNote><termCreatedDate>2026-03-30 20:45:26</termCreatedDate><relation><relationType>UF</relationType><termId>31392116</termId><termName>boiler, double</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31392117</termId><termName>boilers, double</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31392118</termId><termName>custard kettles</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31392119</termId><termName>double boiler</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31392120</termId><termName>kettles, custard</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31354245</termId><termName>cookware</termName><termType>PT</termType></relation></term>  </Zthes>