vi Acknowledgments Reviewers The author and publisher wish to thank the following industry and teaching professionals for their valuable input into the development of GD&T: Application and Interpretation. Sharon Bagby Texas State Technical College Abilene, TX Debra Boren Grayson College Denison, TX Anthony Cimabue GD&T Specialist Santa Fe, NM Mark Durkee Madison Area Technical College Madison, WI Jonathan L. Gaddis Southeastern Community College West Burlington, IA David L. King Technical Training Service Clinton, CT Tom Spendlove Baker College of Flint Flint, MI The author would like to express his apprecia- tion to the following company for its cooperation in the preparation of this textbook. Parts shown in photographs were provided by Technical Documen- tation Consultants of Arizona except where noted otherwise. Technical Documentation Consultants of Arizona 2775 N. Shannon Road Tucson, AZ 85745-1014 Photographs and illustrations are by Bruce A. Wilson unless noted otherwise.