What's an example of a task that requires knowledge of physical objects to perform?
How do you oxidize your copper ring?

What's an example of a task that requires knowledge of physical objects to perform?
Protect skin from sun.

What's an example of a task that requires knowledge of physical objects to perform?
Boil eggs

What's an example of a task that requires knowledge of physical objects to perform?
can I make praline bars at home?