Germans really believe in punctuality and are always very hardworking and focused on the task. In the United States, people also work hard, but the difference is that Germans tend to be perfectionists and tend to really focus on the task at hand while at work. Americans tend to lose focus on work and go off topic, which isn't necessarily bad, but it's helpful to know how Germans fare in the world of work. In a German office a protocol is needed and the Germans are almost religious in maintaining these protocols because they seem to question hyperbole, promises that appear to be more than they actually are and any kind of display of emotions. In a sales office in Germany there is no open door policy and everyone likes their own private space. This is a significant difference compared to the United States, which is much more social in the workplace, so when traveling to Germany you need to understand this concept