What's an example of a task that requires knowledge of physical objects to perform?
How can I easily cut ends off frozen tube treats?

What's an example of a task that requires knowledge of physical objects to perform?
To turn a block of cheese into shredded bits, you can

What's an example of a task that requires knowledge of physical objects to perform?
To quickly clear out a room full of cigarette smoke,

What's an example of a task that requires knowledge of physical objects to perform?
How can I relax if I am feeling particularly anxious?