This document discusses hazards, risks, and risk assessment in the workplace. It defines hazards as anything that has the potential to harm health or safety, and risk as the probability and consequence of injury from exposure to a hazard. Five broad categories of hazards are outlined: physical, chemical, biological, mechanical/electrical, and psychological. The document emphasizes the importance of identifying hazards, assessing risks, and controlling risks through proper planning, signage, training, and management plans. It provides examples of assessing risks like wet floor signs and checklists for changing nappies. Workers are responsible for reporting hazards through the appropriate channels defined by their organizations.