E36 Determination Of Color Fastness Against Artificial Light

[@raselhossain-ug1nz]

Tnx sister. I learned a lot from you.

[@watchlearnshare7031]

thank you so much for this valuable test.

[@sakshamchakrawal6640]

I need the 8 dyed standard blue wool sample reference. from where I can purchase this ??

[@AmandeepSingh-jn8hb]

Thanks

[@aakashchaurasiya6854]

Hii bhai.. Konsa course kar rahe ho?