What's an example of a task that requires knowledge of physical objects to perform?
A concrete porch/ patio can be cleaned how?

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

What's an example of a task that requires knowledge of physical objects to perform?
How do you identify a ripe persimmon by touch?

What's an example of a task that requires knowledge of physical objects to perform?
How to take a multivitamin