Each chapter is clearly structured and concludes with a summary and a self test. A portion of each self test consists of exam questions. This method allows you to get used to the way questions are asked during the official SCC exams. When you have finished all the chapters in this order you may start the pre-exam in chapter 9. When you are able to achieve a good result for this pre-exam, you will be ready to participate in the exam for Safety for Operational Supervisors exam.