Rotogravure is similar to offset litho in that the image plate is wrapped around a cylinder.
However the plate itself is made from copper and etched in a different way (intaglio) that gives greater durabality
for longer print runs or tougher substrates. (the material printed on)
Denser ink coverage. Box packaging. Everything dots to hold more ink.
The roller with the Copper etched plate dips into an ink bath and the excess inked scraped
off before the image is transferred directly from the plate to the print substrate from the inked roller.
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