If you choose to hand in the final remotely, then you are responsible for making sure there is a hardcopy in my mailbox. You might get a student you trust to print it out and put it in my box. Feel free to contact me for any other logistic issues about the final exam. Otherwise, this exam is like a homework. There is no requirement that you must do it all in one sitting.
Diagrams are fine as long as explained.
Total points 100. She opened the envelope and took out a letter. I closed the suitcase. Close the trunk and let's go. The office is closed.