What's an example of a task that requires knowledge of physical objects to perform?
To combine small amounts of liquid, you can

What's an example of a task that requires knowledge of physical objects to perform?
Prevent smudges on stainless steel dishwasher.

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

What's an example of a task that requires knowledge of physical objects to perform?
How to cook brussels sprouts