1. Expose/leak white: printing paper is mostly white, printing or plate making, the color of the connection is not close, exposing the white paper background color.

2. White: the photographic plate making process in the era of hanging nets. In order to remedy the lack of light sensitivity of the dark bit of the online picture, you can remove the flash of the manuscript once or put a piece of paper to make up the exposure, or directly use the flash lamp to flash white light to increase the deep position of the manuscript and soften the image.

3. Explosive fat: "overeating" will of course be "fat", film silver grain feeling more, light will also expand the site. The manual plate is also exposed and fertilized in the sensitive film and transparent thick film.

4. Colortrapping: When color separation is made, the color connection is intentionally expanded and exploded to reduce the influence of inaccurate overprinting.

5. Field: refers to the color block area without a network, usually refers to the full version.

6. Anti-white: text or lines are printed with Yin grain, exposing paper white.

7. Collision: amplitude modulation network color separation process, dot Angle distribution error, or each net Angle distance is less than 25°, the moire begins to be obvious.

8. Flying net: the hanging net process of lens plate making, remove the hanging net after normal exposure, supplement short exposure to increase contrast.

9. Dog teeth: Dogs' "teeth" are crisscrossed. The picture lacks pixels, and the edge appears "dog teeth" after magnification.

10. Rose dots: Motifs like deer. Bad ones are called mat lines, and worse ones are turtle lines.

11. Header: The layout of the instruction, with the first word as the reference line. It extends to collage and binding, referring to the head position of the plate as the basis.

12. Mask film: It is a mask film for manual color separation, which can be used for film drying or red film cutting, and can be used for backsliding or color repair.

13. Reflexive: refers to a printing method that saves printing plates. Let the paper finish printing one side, and after drying, reverse the left and right side of the paper and the bottom side, called the bottom side reflexive version, and the end of the paper when the bottom side of the mouth is reversed, called the mouth reverse end. It is the process of printing the back of the paper without changing the plate.

14. Pin position: the edge of the block gauge of the printing sheet. The paper has a long length, and the printing color and cutting need to be aligned with the needle position.

15. Stone number: the name for the number of prints in the lithography era. Paper is one stone at a time.

16. Used: not "used". The second hand of the printing press.

17. Copy: Pre-print a formal printing sample through a proof press.

18. Bleeding: The printing and binding process requires the color or picture of the page to span 3mm from the cutting line, which is called bleeding.

19. Flying edge: "fly", cut, remove the meaning. A flash is a cut of a bleeding edge. It's a bookbinding term.