What's an example of a task that requires knowledge of physical objects to perform?
binder clip

What's an example of a task that requires knowledge of physical objects to perform?
To trace a circle onto a piece of paper, you can

What's an example of a task that requires knowledge of physical objects to perform?
Sharpen dull scissors.

What's an example of a task that requires knowledge of physical objects to perform?
To make cotton balls more easily flammable,