What's an example of a task that requires knowledge of physical objects to perform?
How to increase a room's temperature with shades

What's an example of a task that requires knowledge of physical objects to perform?
To ripen bananas for cooking.

What's an example of a task that requires knowledge of physical objects to perform?
How to Easily Remove Garlic Skins

What's an example of a task that requires knowledge of physical objects to perform?
To keep from getting cavities,