ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wikipedia
出典:『Wikipedia』 (2010/10/18 20:39 UTC 版)
The Blue Wool Scale measures and calibrates the permanence of colouring dyes. Traditionally this test was developed for the textiles industry but it has now been adopted by the printing industry as measure of lightfastness of ink colourants.
Blue Wool Scale