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

What's an example of a task that requires knowledge of physical objects to perform?
Adding a radius to the corner of the steel.

What's an example of a task that requires knowledge of physical objects to perform?
To attach small pieces of brass to a piece of wood, you can

What's an example of a task that requires knowledge of physical objects to perform?
How do I clean out dust from computer vents?