<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31459955</termId><termName>sewage treatment plants</termName><termType>PT</termType><termNote><![CDATA[ Facilities for receiving waste, usually raw sewage, from surrounding homes and businesses for the purpose of removing contaminants and other materials that could damage water quality and the environment. ]]></termNote><termCreatedDate>2026-03-30 21:03:48</termCreatedDate><relation><relationType>UF</relationType><termId>31459956</termId><termName>plants, sewage treatment</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31459957</termId><termName>sewage disposal plants</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31459958</termId><termName>sewage disposal works</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31459959</termId><termName>sewage treatment plant</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31459960</termId><termName>sewage treatment works</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31459961</termId><termName>sewage works</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31442355</termId><termName>water treatment plants</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31473207</termId><termName>settling tanks</termName><termType>PT</termType></relation></term>  </Zthes>