<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31316729</termId><termName>[plastic by function]</termName><termType>PT</termType><termCreatedDate>2026-03-30 20:25:17</termCreatedDate><relation><relationType>BT</relationType><termId>31303889</termId><termName>plastic</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31340164</termId><termName>geosynthetic</termName><termType>PT</termType></relation></term>  </Zthes>