4.
How Hostess Fruit Pies are filled:
5.
How ice cream sandwiches are made:
6.
How a helmet gets its camouflage:
7.
How highway barriers are laid:
8.
How springs are formed:
9.
A pen-testing machine:
10.
What a fork likes before and after:
11.
How a different kind of spring is made:
13.
What a shockwave looks like in slow motion:
14.
Mass production of pretzels:
18.
A pencil-sharpening machine:
20.
A machine that tests highlighters:
21.
What happens when you fly a drone through fireworks:
22.
And a machine that mass produces sweet, delicious pancakes: