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Standard for the General Format of Technical Documents 1. General Provisions 1.1 Standard Requirements This standard is formulated to strengthen the management of the preparation of technical documents in the Coal Chemical Engineering Department and to standardize the required format. 1.2 Definition of documents: The general technical documents referred to in this standard are those related to coal chemical projects, including documents on processes, technology, statistics, summaries, and meeting minutes, both for internal use and for external purposes. 1.3 Scope of Application This standard applies to the Process Management Department of the Coal Chemicals Command of XX Co., Ltd. 2. Writing Regulations 2.1 Paper Page Requirements 2.1.1 Paper Requirements Documents are generally prepared on A4 paper; however, for special cases such as drawings and project schedules, other suitable papers like A3 can be used as appropriate. 2.1.2 Page Settings The page settings are set to the default values in Word: the top and bottom margins are 2.54 centimeters, while the left and right margins are 3.17 centimeters. 2.1 File writing format 2.2.1 File name The file name or title should be in bold font, size 3, centered, with a paragraph spacing of \"1 line after the paragraph\" and a line spacing of \"1.5 times\" the normal line spacing. 2.2.2 Text format: The main text should be written in Song typeface, size 5, with alignment at both ends, and the line spacing should be 1.5 times the normal line spacing ； The paragraph should have a 2-character indent on the first line” ； 2.2.3 Title Format Titles are organized in hierarchical levels, with Arabic numerals used for the title numbers; levels are separated by dots. A tab character is used to separate the serial number from the title. Primary headings are in bold font, size 12; secondary headings are in bold font, size 14; tertiary headings are in Song typeface, size 14. 2.2.4 Table format: The font used for the table content is Song typeface, size 12 ； The table title is in Heiti font size 5, placed above the table, and is numbered, such as Table 1 XXXXXXX ； Tables are generated automatically through insertion; manual drawing of tables is not used, as it makes editing difficult ； The table is centered horizontally on the page, and the content within the table is centered vertically within its cells. If annotations or explanations are needed after the table, use \"Xiao Wu\" bold font ； Try to keep the entire table on one page as much as possible, without it spanning multiple pages. For large tables that need to span multiple pages, the header content of the subsequent page must be repeated. 2.2.5 Graphic format: Images inserted in the file are added as graphic blocks, which facilitates editing. The title of the graph is located below it, along with a serial number. As shown in Figure 1 XXXX, the figure title should be in Heiti font size 5. The image is centered horizontally on the page. 2.2.6 Digital format: All Arabic numerals in the file shall be formatted in “Times New Roman”. 2.2.7 Writing Chapters: When a chapter in a document comes to an end, a new page is started to begin the next chapter. A \"page break\" is inserted after the ending chapter in order to start writing the subsequent chapter; the \"Enter\" key is not used to create a new page, which facilitates modifications to the document. 2.2.8 Page numbering format: The page numbers of the document are generated automatically through insertion, appearing as Arabic numerals centered at the bottom of the page (footer). 2.3 Creating a document cover: If a cover page is required for the document, its settings should be the same as those of the main text; that is, use Word’s default settings, with page margins of 2.54 cm at the top and bottom, and 3.17 cm on the left and right sides. The file name on the page is in bold \"No. 2\" font and centered. The distance of the file name from the top and bottom page margins is adjusted according to the length of the file name; there is no fixed rule, but aesthetics are aimed for. The signature and date on the document cover are centered at the bottom of the cover, in bold font size 12. There should be no page numbers, headers, or footers on the cover. 2.4 Directory Compilation Format: If a file is necessary or is quite long, a directory needs to be created, which can be done manually. The page settings match the main text; the “Table of Contents” title is in Heiti font, size 4. The table of contents is formatted in \"No. 5\" bold font; if the chapter titles in the main text are hierarchical based on their logical relationships, an automated table of contents can be used. It is also recommended to use the automatically generated directory for easier file modification. 2.5 Use of units in documents: Units used in documents must be those of the legal measurement system. 3. Special formatting: The above is the standard formatting for documents issued by the Coal Chemical Process Management Department. If external clients require a special format, the documents can be prepared according to those clients’ specifications.