Fire and emergency services personnel provide more than just fire protection. Quite often they are called upon to extricate patients from vehicles (automobiles, trucks, buses, trains, etc.) that have been involved in accidents. Occasionally, these extrication incidents involve uncommon locations or situations where the vehicles involved may have entered the water or structures, or are hanging from overpasses or bridges. Rescue personnel may also have to extricate patients who have become entrapped in machinery or amusement park rides. The 3rd edition of Principles of Vehicle Extrication addresses Sections 6.4.1 and 6.4.2 of NFPA® 1001 (2008); Chapter 4, Chapter 5 (Sections 5.1, through 5.5), and Chapter 10 of NFPA® 1006 (2008); and Chapters 4, 8, and 12 of NFPA® 1670 (2009) published by the National Fire Protection Association®. The 3rd edition of Principles of Vehicle Extrication contains updated information on the hazards presented by extrication operations, vehicle extrication incident management, vehicle anatomy, passenger restraint systems, vehicle extrication tools and equipment, hybrid-powered vehicles, machinery extrication situations and procedures, and emergency medical system considerations at extrication operations.