<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31300288</termId><termName>Blue Wool Standard</termName><termType>PT</termType><termNote><![CDATA[ An ISO standard developed to measure and calibrate lightfastness and fading of colorants and other materials. It consists of a card that contains eight sections of blue-dyed wool cloth, each with a different lightfastness. The dyes fade at a known rate.  ]]></termNote><termCreatedDate>2026-03-30 20:20:38</termCreatedDate><relation><relationType>UF</relationType><termId>31300289</termId><termName>BWS</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31300290</termId><termName>ISO 105-B08:1995</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31300291</termId><termName>ISO Standard R 105</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31297802</termId><termName>standards</termName><termType>PT</termType></relation></term>  </Zthes>