TASK DEFINITION: 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. 
PROBLEM: how do you switch things out?

SOLUTION: replace one thing with another.

PROBLEM: To etch a design into a glass jar

SOLUTION: Using a clean jar place your stencil sticky side down on the jar. Use tape to cover up the spots you don't want to be etched around the stencil. Brush etching cream onto the surface of the jar around the stencil and let sit for 3 to 5 minutes. Wash off.

PROBLEM: How to Assemble Crispy Ground Beef Tacos

SOLUTION:
To assemble crispy ground beef tacos, first add a cooked ground beef and onion mixture to the fried taco shells, then top with cheese, tomatoes, and lettuce. Optionally, you can add a little sour cream.