What's an example of a task that requires knowledge of physical objects to perform?
Keep silver jewelry clean.

What's an example of a task that requires knowledge of physical objects to perform?
How to cook rice so it is fluffy.

What's an example of a task that requires knowledge of physical objects to perform?
To drill a small hole in the center of an aluminum can, you can

What's an example of a task that requires knowledge of physical objects to perform?
How to quickly bring water to boil in a pot?