Any printing or imaging process that transfers an image to a substrate by means of a raised image-carrying surface, in contrast to gravure (or intaglio) which prints from an etched surface or lithography which prints from a flat surface. Relief printing is commonly used synonymously with letterpress printing, but can also be used to refer to flexography. In finishing, embossing processes involve the use of dies to create a raised—or relief'—image to a substrate.
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