What's an example of a task that requires knowledge of physical objects to perform?
how do you use a pillowcase?

What's an example of a task that requires knowledge of physical objects to perform?
How can you make thread as light as possible?

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

What's an example of a task that requires knowledge of physical objects to perform?
How to clear a sink clog