Task: clean an iron
Assumptions:
Clean an iron with vinegar.
Steps:
Unplug the iron.
Allow the iron to cool.
Remove the residue by using a plastic toothpick.
Mix white vinegar and distilled water in a cup with a spout.
Pour the mixture into the water reservoir.
Heat the iron for a few minutes.
Turn on the steam.
Repeat the procedure until the iron's steam is freely flowing.
Unplug the iron again.
Allow the iron to cool.
Pour out the remaining vinegar/water mixture.