27. List four advantages of Computer Aided Design over traditional hand
drawing of designs. (4 marks)

Decrease in error CAD software makes use of some of the best tools, the percentage of error that occurred because of manual designing is significantly reduced.

Decrease in effort when it comes to the amount of effort that was needed for the sake of designing the different models, it has been reduced significantly because the software automates most of the task.

Saves time when you are using the computer aided design software, it will save your time and you can make better and more efficient designs in shorter time duration.

Easy to edit when you are making designs, you may find the need to make alterations. When you are using computer aided design software, it will be much easier to make any changes because you can fix the errors and modify the drawings easily.