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Сообщение от fabosch
Incidentally, I wonder at what sort of stage, this varnish? After all, printing presses everything in sight - four or five sections - this is immediately evident.
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When the car is the fifth section - right away. When there is - a separate pass.
No paint cost, if there is a lot of white field. But with significant coverage sheet, or especially for products that are often paw hands (business cards, postcards, etc.) as required paint fixative. Various pigments are absorbed into the paper differently.
Mel, even dull (especially if you do not respect the humidity), due to its heterogeneity, absorbs in different parts of even the same paint is not the same, without varnish image (when the finger on it) and can smudge a year, and such and blue pigments with little physical impact wiped off to white, and sometimes gum up the page.
Still a little lacquer hides bald spots melovke (especially in large fills spot). Deep dark or light areas are homogeneous in places identified slightly bleached spots. Luck puts out a little uneven. (Given these nuances, while many of the prepress dezignery on such problem areas impose a slight "noise"). But it is rather a side effect of painting, the main function - protection.