What's an example of a task that requires knowledge of physical objects to perform?
How to remove the fog from a mirror?

What's an example of a task that requires knowledge of physical objects to perform?
How do you make a pattern for a book pendant?

What's an example of a task that requires knowledge of physical objects to perform?
To detail your car seats yourself.

What's an example of a task that requires knowledge of physical objects to perform?
How do you cut down a tree?