In this task the focus is on physical knowledge about the world. Given the provided goal task in the input, describe a process that would lead to the asked outcome. This process often involves physical motions with objects, such as moving them, arranging them in a certain way, mixing them, shaking them, etc. 

how do you cool food down with your mouth?
blow on it.

To prevent water from growing bacteria, you can
Use a small amount of vinegar or bleach

To get perfect pieces in a specific shape for cosplay.

Use a 3D printer to produce specific shapes as needed.