The document provides an overview of OSHA's Lockout/Tagout standard which requires energy control procedures to prevent injury during servicing of machines. It defines lockout and tagout, describes the types of employees involved (authorized to perform lockout/tagout, affected, and other employees), hazardous energy sources, common causes of injuries, and the key elements of an energy control program including procedures, training, inspections. It provides details on lockout/tagout procedures, use of locks and tags, group lockouts, shift changes, removal of locks/tags, and restoring energy to equipment.