What's an example of a task that requires knowledge of physical objects to perform?
How do you scrape coralline algae off the glass of your reef tank?

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

What's an example of a task that requires knowledge of physical objects to perform?
how do you know if a crock pot is on?

What's an example of a task that requires knowledge of physical objects to perform?
how do you taste something?