What's an example of a task that requires knowledge of physical objects to perform?
To prevent a hangover,

What's an example of a task that requires knowledge of physical objects to perform?
How to naturally trim your dogs nails

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

What's an example of a task that requires knowledge of physical objects to perform?
When making bacon pancakes, when do I add the bacon?