In this task the focus is on physical knowledge about the world. Given the provided goal task in the input, describe a process that would lead to the asked outcome. This process often involves physical motions with objects, such as moving them, arranging them in a certain way, mixing them, shaking them, etc. 

file
can be hidden in a  drawer 

How to sharpen a knife with a sharpening rod?
Hold the sharpening rod with your weaker hand and stroke the knife away from yourself with your dominant hand, alternating the sides of the blade

To cut the ceiling for a club house made out of cardboard.

I use another cardboard to cut out the roof plate. If you don't have a wide enough piece of cardboard, then just glue several parts together.