A printing defect of offset lithography characterized by streaks in the printed image, particularly in printed halftones, caused by non-uniform desensitization of the plate by the gum, resulting in a partial desensitization of the image area.
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A printing defect of offset lithography characterized by streaks in the printed image, particularly in printed halftones, caused by non-uniform desensitization of the plate by the gum, resulting in a partial desensitization of the image area.