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

What's an example of a task that requires knowledge of physical objects to perform?
How to fold a ribbon easily?

What's an example of a task that requires knowledge of physical objects to perform?
How do you make an apple bird food?

What's an example of a task that requires knowledge of physical objects to perform?
How to sync your iPhone with Ford Sync?