What's an example of a task that requires knowledge of physical objects to perform?
To make a cover to protect led's while allowing them to shine through, you can

What's an example of a task that requires knowledge of physical objects to perform?
what to do with extra whipped cream?

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

What's an example of a task that requires knowledge of physical objects to perform?
To get your pants to fit you better in the length.