16K paper used in school personnel files is generally18.5× 26cm.. Later, due to the popularization and development of A4 paper, 16K paper gradually faded out of the market. The medical records used in hospitals are probably A4, but because it is necessary to print images for doctors to check and record them in the medical records, if A4 ink-jet paper is used, the printed images will not be stored in A4 medical records.
So the examination images printed by the hospital are all opened with 16. 16 paper mouth size is 185mm*260mm. Hospitals rarely use 16 to open paper, because the amount of paper needed by hospitals to write medical records is also quite large, and 16 is more expensive than B5, so hospitals now use B5 more.
In addition, the printing factory also has the standard of 16, but it is different from the size used in hospitals. The standard of 16 mentioned by the printing house is 185mmx260mm, which is widely used in the market.
Horizontal grid books generally refer to single-line books. Singles are bound into a book with horizontal grid paper, which can be used to record items in work and study.
Small squares, many squares. Generally, each edition has 20 squares and 20 squares, which are used to do math exercises, leaving a space on the left to write the title number. It is used to practice calligraphy, some are printed with nine squares, and some are used to write big characters and fine characters respectively.