What's an example of a task that requires knowledge of physical objects to perform?
To protect much-used or oft-used pages in a reference book.

What's an example of a task that requires knowledge of physical objects to perform?
How thin should I cut the mushrooms when making beef and bourbon pie?

What's an example of a task that requires knowledge of physical objects to perform?
what is the best way to make your instructable illustrations look more realistic?

What's an example of a task that requires knowledge of physical objects to perform?
hand