What's an example of a task that requires knowledge of physical objects to perform?
Reduce shininess of makeup.

What's an example of a task that requires knowledge of physical objects to perform?
How to adjust the reach on your Sram brake levers

What's an example of a task that requires knowledge of physical objects to perform?
how to prepare salmon for freezing

What's an example of a task that requires knowledge of physical objects to perform?
How high do the walls need to be?