The document discusses accident prevention and emergency action in the workplace. It defines accidents as unintended events that result in injury, loss, or damage, which may or may not be caused by unsafe practices. It identifies the main causes of accidents as human hazards, such as creating unsafe conditions, ignoring obvious hazards, not paying attention to the job, and unsafe practices. It also lists environmental hazards as unsafe conditions in the workplace that can encourage unsafe actions by employees. The document provides examples of an accident prevention program that includes informing employees of workplace hazards, ensuring fire prevention equipment is available, and keeping floors, exits, stairs, and electrical equipment safe.