What's an example of a task that requires knowledge of physical objects to perform?
How do I choose the right pumpkin to be turned into a cooler?

What's an example of a task that requires knowledge of physical objects to perform?
How to strike a match on your teeth

What's an example of a task that requires knowledge of physical objects to perform?
To make Christmas gift opening less confusing,

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