2 goes with the second one (control rods).
3 goes with forth one (mass of unstable fuel)
4 goes with one (shield)
1 goes with third one (moderator)
5 goes with coolant
it is foreshadowing since the clocks where seen in the beginning and then showed up later in the movie.
Money motivates people because it gives them choice, they can buy what they want when they want and make a decision on what to use it on.
Sorry if there are any words misspelled. I hope this helps :)
Answer: Table of Contents
Explanation: A lot of books use table of contents to help its users navigate to which page and source they need to read and go over.
