instruction:
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. 
question:
To attach two separate sections of a wooden plank using a brass hinge.
answer:
Line up the two sections of a wooden plank lengthwise. Screw in the brass hinge at the ends of each of the sections, attaching them at the hinge.


question:
To soften clay before working with it, you can
answer:
Add a drop of mineral oil to the clay


question:
How to clean a cast iron skillet safely.
answer:

Sprinkle generous amount of sea salt to the skillet. Cut a raw potato in half. Scrub the skillet with the cut side of the potato. Rinse with water and dry with paper towel.