What's an example of a task that requires knowledge of physical objects to perform?
How to unclog hair out of a bathroom sink?

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

What's an example of a task that requires knowledge of physical objects to perform?
How to lock a bathroom door.

What's an example of a task that requires knowledge of physical objects to perform?
how can I use olive oil for my hair?