1 . Which Scale is suitable for determining te color tastness to light?
- A. 1-5 grading with grey scale
- B. 1-8 grading with grey scale
- C. Ⓒ1-5 grading with blue scale
- D. 1-8 grading with blue scale
View Answer | Discuss in Forum | Workspace | Report |
1 . Which Scale is suitable for determining te color tastness to light?
View Answer | Discuss in Forum | Workspace | Report |