What's an example of a task that requires knowledge of physical objects to perform?
How do I sharpen a pencil without a pencil sharpener?

What's an example of a task that requires knowledge of physical objects to perform?
How can I keep my bags of chips closed and fresh?

What's an example of a task that requires knowledge of physical objects to perform?
To stop meat from burning in a campfire

What's an example of a task that requires knowledge of physical objects to perform?
How to make a chocolate Meringue pie at home.