The gravure can be divided into two major categories, one is an engraving gravure, and the other is a gravure gravure, wherein the gravure gravure has a manual or mechanical engraving gravure and an electronic engraving gravure. Photogravure, also known as photocopying, is made from continuous transfer film and gravure screens through printing, carbon transfer and etching. Nowadays, electronic engraving is generally used to produce gravure printing plates.
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