2. The contents of the engineering documents must conform to the technical specifications, standards and procedures of the relevant national engineering survey, design, construction and supervision.

3. The contents of the engineering documents must be true, accurate and in line with the engineering practice.

4. The engineering documents shall be written in durable materials, such as carbon ink, and shall not be written in faded materials.

5. The engineering documents shall be legible, with clear drawings, neat charts and complete signature and seal procedures. Do not use, copy, electronic signature or electronic seal.

6. The format and size of written materials in engineering documents shall be A4, and the drawings shall be made of national standard paper.

7. Work