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

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?
Ice

What's an example of a task that requires knowledge of physical objects to perform?
to finish making bath bombs after they've been poured into a mold