This document is a supervisor's incident investigation report for a workplace injury. It collects information about the injured employee, including name, age, occupation, date and time of incident, location, witnesses, and nature of injuries. It also identifies potential causes of the incident such as poorly maintained equipment, unsafe behaviors, or failure to follow safety procedures. The supervisor describes actions that could be taken to prevent similar incidents in the future. Signatures are required from the supervisor, safety responsible person, and manager.