Ключевые слова: abstract, analyze, analyzing, background, black, blue, check, checking, closeup, cmyk, color, colorful, colorful squares, coloring, control, cyan, design, digital, equipment, exploration, flexo, focus, fulltone, graphic, gravure, green, ink, inkjet, instrument, magenta, magnification, magnifier, measure, offset, optical, paper, print, print industry, print shop, printing, proof, proofing, quality, raster, red, research, sample, science, screen, squares, study, test, test print, tool, violet, yellow,