<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31382588</termId><termName>service cores</termName><termType>PT</termType><termNote><![CDATA[ Areas rising through the centers of buildings, devoted to such service functions as pipe chases, air ducts, elevators, fire stairs, and rest rooms. ]]></termNote><termCreatedDate>2026-03-30 20:43:15</termCreatedDate><relation><relationType>UF</relationType><termId>31382589</termId><termName>cores</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31382590</termId><termName>service core</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31351123</termId><termName>utility and access spaces</termName><termType>PT</termType></relation></term>  </Zthes>