Safety principles are paramount for a structured handling of safety concerns in all technological systems, and tThis handbook captures and discusses the multitude of safety principles in a structured and generally applicable manner. Professionals in the field of safety engineering rely on a vast amount of rules and principles in their safety work, and while some of these principles are made explicit, many are largely implicitly grasped in professionals' understanding of what needs to be done. The book is organized into the following five corresponding and overarching categories of safety...