My own.

Project information is relatively important and related to many aspects in the future. Signing your name means that you are responsible. If anything goes wrong in the future, you will be found because you are responsible. , so the risk will be a little greater.

Engineering data refers to various forms of documents, drawings, icons, calculation materials, audio and video materials and other forms formed during the project construction process from project proposal, preparation, survey, design, construction to completion and commissioning. the total information.