What's an example of a task that requires knowledge of physical objects to perform?
To get yourself to sneeze when you've accidentally lost it,

What's an example of a task that requires knowledge of physical objects to perform?
To increase the circumference of pizza crust,

What's an example of a task that requires knowledge of physical objects to perform?
how do you condition your hair?

What's an example of a task that requires knowledge of physical objects to perform?
How can you make an easy waterproofing solution for fabric?