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. 

To create cold air in a DIY air conditioner made from a fan enclosed in a Styrofoam box.
Put a bottle of frozen water in the box with the fan.

Learn to quilt by hand.
Gather some old cotton fabric. Either from clothes or curtains, old tablecloths etc. Look up a pattern you like and create templates out of wood. Cut this out and sew together.

how do you save breast milk?

freeze it for as long as you need to, up to 6 months.