What's an example of a task that requires knowledge of physical objects to perform?
How can I keep dough from getting hard to roll out and fold between rolling?

What's an example of a task that requires knowledge of physical objects to perform?
To prevent your trash cans from stinking,

What's an example of a task that requires knowledge of physical objects to perform?
To bake pigs in a blanket, you can

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