Like files, steel files can be roughly divided into three categories: ordinary files, special files and plastic files (assorted files). In addition, the word file means a tool made of steel, which is used to polish steel, iron, bamboo and wood.
Tang Yun and Jiyun were cut off yesterday. Sound. Shuowen is also very famous. "Jade piece" is also a document. "Boya" is called a document. Guang Yun and Jiyun again? Yesterday, the firewood was cut, and the sound family. Yitong or dysprosium? Also, Jiyun is cut in inches, and the sound files are archived. Yitong "Guang Yun" calls for cobalt? . Du Fu's Poems are cold and smoked. "Attention" file, voice low down. Shu people call the kettle a file. Depressed. "Historical Records Chu Family" soldiers mentioned Lantian.