What's an example of a task that requires knowledge of physical objects to perform?
how do you dry a painting?

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

What's an example of a task that requires knowledge of physical objects to perform?
To keep meatloaf from falling apart when it's cooked.

What's an example of a task that requires knowledge of physical objects to perform?
To prepare lemons for lemonade.