What's an example of a task that requires knowledge of physical objects to perform?
how do you hover over someone?

What's an example of a task that requires knowledge of physical objects to perform?
How can I get an elderly person to hear me better?

What's an example of a task that requires knowledge of physical objects to perform?
How can I remove old finish and dirt from wood?

What's an example of a task that requires knowledge of physical objects to perform?
How do you drain water from cooked ginger?