What's an example of a task that requires knowledge of physical objects to perform?
how to easily mop your floor

What's an example of a task that requires knowledge of physical objects to perform?
How to make Blackberry tarts.

What's an example of a task that requires knowledge of physical objects to perform?
To remove moisture from sand, you can

What's an example of a task that requires knowledge of physical objects to perform?
How to strain water from pasta