What were the difficulties? Did you overcome them? What is your estimated time of completion? With your current productivity, will you achieve that goal?

Engineering Research Preparation – Railway

How many milestones have you achieved? What do those achievements mean to you? (e.g. Did the actual working-hours exceed the planed input? If so, what were the reason?) Did your project go smoothly? What were the difficulties? Did you overcome them? What is your estimated time of completion? With your current productivity, will you achieve that goal?