4. how does the drill hold onto the drill bit?
5. what would happen if the drill bit teeth were not flat on the
drill bit?
+ 6. name some reasons for the arduinos placement on the deck.
+ 0. [@0] could it have been placed diagonally? why or why not?
+ 1. could it have been placed in any other location? why or why not?
+ 2. could it be upside-down? why or why not?