A mechanical breakdown or failure on a ride—This may stem from poor construction or assembly, improper maintenance, or a manufacturing defect.
2. Mistakes by amusement park personnel operating the ride—A ride operator may be careless or may lack the experience or training to safely handle the ride.
3. Failure by park visitors to follow ride instructions—Park employees may allow passengers to ignore seat belts or other safety requirements.
4. Careless, negligent, or faulty design of a ride—The design of some rides is so problematic as to include inevitable hazards.