What's an example of a task that requires knowledge of physical objects to perform?
To remove ticks safely,

What's an example of a task that requires knowledge of physical objects to perform?
To be notified any time your favorite celebrities tweet something out,

What's an example of a task that requires knowledge of physical objects to perform?
How to Cut Slabs of Marble to Make Marble and Stainless Steel Planters

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