What's an example of a task that requires knowledge of physical objects to perform?
To stay focused while working on an arduous task,

What's an example of a task that requires knowledge of physical objects to perform?
To make spikes in the plastic of a 2 liter soda bottle.

What's an example of a task that requires knowledge of physical objects to perform?
To hold a marshmallow over a fire for roasting,

What's an example of a task that requires knowledge of physical objects to perform?
how to make thread smoother for threading a needle