In this article there are few examples that tell one story; if everything is done right, it could be a life savior, literally. And this is made possible by following precise steps. In the example of the Austrian girl, there were many, many steps that everyone took to bring her from the ‘dead’. And everyone starting from her parents till she got to the emergency room did that job perfectly. So, in conclusion, when a job is done following a precise checklist, everything goes smoothly.