The Deadly Dozen We all know that there must be a cause for an accident to happen. In order to avoid accidents, we must remove the cause. Every cause is a result of an unsafe act or unsafe condition. By recognizing the unsafe act or condition, we can effectively remove the exposure to them. The following “deadly dozen” are reminders to help you recognize unsafe acts or conditions. Guide for Discussion Unsafe Acts Unauthorized use or operation of equipment. Failure to secure or tie down materials to prevent unexpected movement. Working or operating equipment too fast. Failure to issue warnings or signals as...