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. 

how to fill a cupcake
Bake your cupcakes and let them cool completely. ...    Insert a decorating tip into a piping bag. ...    Fill the bag with 1 to 2 tablespoons of your desired filling. ...    Insert the tip into the top of the cupcake. ...    Squeeze the filling into the cupcake. ...    Frost and decorate the cupcake as desired

What type of chainsaw should I use to cut down a very thick tree?
A gas powered chainsaw should be used to cut down a very thick tree as it has more power and can be used for longer at a single time than an electric powered chainsaw.

To test batteries to see if they're any good,

drop the batteries and see if they bounce once to see if they're good.