What's an example of a task that requires knowledge of physical objects to perform?
Make reusable food strainer.

What's an example of a task that requires knowledge of physical objects to perform?
To purchase a commodity in amazon.

What's an example of a task that requires knowledge of physical objects to perform?
How to make Chocolate meringue angel clouds at home.

What's an example of a task that requires knowledge of physical objects to perform?
One seeks to make a rocket capable of flying for a kid.