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

What's an example of a task that requires knowledge of physical objects to perform?
how to clean a garage floor

What's an example of a task that requires knowledge of physical objects to perform?
How can I save my shirt if I got some coffee on it?

What's an example of a task that requires knowledge of physical objects to perform?
How to quickly and easily shuck corn?