10.The arrow right next to gas gauge on the dashboard of your vehicle
The arrow is there to remind the driver which side your gas cap is on. It’s the most convenient feature in a car and comes very handy when you are driving a rented car.
11.Chinese takeout containers
They’re meant to be unfolded and used as plates. Then you can put it back up and store whatever leftovers you have.
12.The little hole at the end of a measuring tape
The hole is there to hook onto screws or nails so you can measure safely without the tape slipping.