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  2. Under color removal - Wikipedia

    en.wikipedia.org/wiki/Under_color_removal

    To prevent this, printers developed UCR, in which neutral shadows – which would have normally been produced by overprinting the four inks cyan, magenta, yellow and black on top of each other (high ink coverage) – are replaced with the single layer of black. UCR removes the color inks under the black, resulting in a single layer of ink which ...

  3. Printing registration - Wikipedia

    en.wikipedia.org/wiki/Printing_registration

    In printing, registration black is a black color that includes 100% of each of the process colors used. Typically these are cyan, magenta, yellow and black , [4] but if different colors are used, registration black marks are made with all of the colorants (inks). [4] Registration black is used for printing crop marks and registration marks ...

  4. Trap (printing) - Wikipedia

    en.wikipedia.org/wiki/Trap_(printing)

    The trap is not visible since the lighter color is spread underneath the—almost—opaque black. For the same reason, in many cases, black ink is set to "overprint" colors in the background, eliminating the more complex process of spreading or choking. Since black is a dark color, white gaps caused by misregistration are more visible.

  5. CMYK color model - Wikipedia

    en.wikipedia.org/wiki/CMYK_color_model

    The CMYK color model (also known as process color, or four color) is a subtractive color model, based on the CMY color model, used in color printing, and is also used to describe the printing process itself. The abbreviation CMYK refers to the four ink plates used: cyan, magenta, yellow, and key (most often black).

  6. Press check (printing) - Wikipedia

    en.wikipedia.org/wiki/Press_check_(printing)

    The printing press check is a step in the printing process. It takes place after a printing press is set up but before the print run is underway. Herzliya Airport (Israel) Runway location and Traffic Pattern chart (left) was erroneously printed as a result of "black layer" 180° misplacement. The corrected chart is on the right.

  7. Louisiana detects first presumptive positive human case of ...

    www.aol.com/news/louisiana-detects-first...

    (Reuters) -The Louisiana Department of Health said on Friday it has detected the first presumptive positive human case of H5N1 bird flu infection in the U.S. state.

  8. Here's What You Actually Need To Get At The Grocery Store ...

    www.aol.com/heres-actually-grocery-store-snows...

    Ready made, shelf-stable mac and cheese. Pasta and sauce. Peanut butter. Bread. Tortillas. Canned beans, chilis, and pickles. Canned fruit and vegetables. Baby food and formula. First Aid And ...

  9. Acorns aren't just for squirrels, but read this before eating ...

    www.aol.com/acorns-arent-just-squirrels-read...

    No, this isn't an article written for (or by) squirrels – humans can actually eat acorns under certain circumstances. The nuts stem from oak trees, and can actually elicit a mild, nutty flavor. ...