According to the use of custom lift-up flaps book, it is generally divided into book printing, newspaper printing, advertising printing, banknote printing, map printing, packaging and decoration printing and special printing. Book printing is a kind of printing with large printing quantity and output value. Before the 1970s, letterpress printing was mainly used in type typesets, and after the 1970s, letterpress plates were gradually used in photosensitive resin plates. Since the 1990s, the computer typesetting technology has been continuously improved, especially the Chinese character information processing technology has made great progress, and more and more books and periodicals have been printed using computer typesetting and lithography. Newspaper printing is second only to book printing in circulation. Newspaper is an important medium for spreading news and has time. Advertising printing is a means to publicize commodities and gain profits in the market economy. The range of printing is wide, there are commodity samples, posters, posters, color pictures, posters, billboards and so on. The printing time is required to be short, the printing quality is good, and lithography is generally adopted.

The finished products of packaging and decoration printing are mainly used for the packaging and decoration of goods, which not only has the role of loading goods, protecting goods and beautifying goods, but also plays the role of promoting goods and selling goods. graphic technology (printing technique) refers to the entire process of printing and reproduction of visual information, including pre-press, printing, post-press processing and sending. That is, through plate making, printing, post-press processing batch copy text, image method.

Typography was originally a form of reproduction, and for the sake of discussion the following definition has been drawn up; The text or image is copied to the surface of a substance called the layout, painted on the layout of the color, with pressure or pressure method, transfer printed on the surface of various substances, the original text or image fully re-appear, this technology is called printing. Printing technology can also be said to be the entire process of printing and copying visual and tactile information, including pre-press, printing, post-press processing and sending. Is a set of doors; Photography, art, craft, chemistry, electronics, computer software, hardware technology, plus environmental considerations of a complex and testing super-strong technology. That is, through the coordination, photography, word processing and art design, editing, color separation, plate making, printing, post-press molding processing according to the demand for mass reproduction of art, text, image technology.

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