What's an example of a task that requires knowledge of physical objects to perform?
How to keep your cake from sticking to the pan while it cooks

What's an example of a task that requires knowledge of physical objects to perform?
Prevent cat damage on Christmas tree.

What's an example of a task that requires knowledge of physical objects to perform?
To save money on your water bill

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