Translation of Reißbrett

The new router will be tested with XTB's solution at the laboratory in Germany by Anika and Julia. In case of success, reports and profiles will be sent to TBX about the progress and the right parameters.
But we need to asked ourselves why we actually are built in such a way that we so easily dislike others and build stereotypes. What leads to such behavior even in well educated individuals?
He was hysterical, he got married two weeks earlier and already has lost his first wedding ring. How embarrassing is that? In addition, everybody on the ship heard it so that it was even more embarrassing.