What's an example of a task that requires knowledge of physical objects to perform?
To let the water "breathe" in the aluminum wall aquarium.

What's an example of a task that requires knowledge of physical objects to perform?
Sew a simple plastic bag holder.

What's an example of a task that requires knowledge of physical objects to perform?
To pack properly for a winter backpacking trip.

What's an example of a task that requires knowledge of physical objects to perform?
How can You make your home smell great?