Color separation is flawless

Color separation is flawless

Yeah. Okay, so, um, you know about separating colors, right?

Well, clearly I don't know how to separate colors.

You got to separate the colors from the whites, buddy.

She sorts them by year, or separates color ones from black and whites.

The thread consists of three separate fibers colored in yellow blue. One of the them reacts to UV light in yellow/ green.