vi
Appleton Electric Co.
Brick Industry Association
David Kosling/USDA
Don Blazek
Doug Lautenschlager
Marshalltown Company
OSHA
Ritchie Engineering Co., Inc.—YELLOW
JACKET Products Division
Roger Hanagriff, The AET Record Book
SkillsUSA
Stephen Ausmus, USDA Natural Resources
Conservation Service
Tim McCabe, USDA Natural Resources
Conservation Service
US Department of Agriculture, National
Agricultural Statistics Service
Wes Hancock, Caldwell High School
Acknowledgments
The authors and publisher wish to acknowledge the special contributions of
Dr. Timothy L. Andera of South Dakota State University, who wrote Chapter 15: Masonry;
Christopher Hart of Chatham Central High School, Bear Creek, NC, who wrote
Chapter 25: Farm and Landscape Irrigation; Kevin Jump, Ag Mechanics Area Teacher for Georgia
Agriculture Education, who contributed to Chapter 4: Trends and Emerging Technology, and
wrote many of the SAE and AgEd features; and Rick Miles, freelance writer and instructor at
Columbia Montour Area Vocational Technical School, who contributed to the development
of the woodworking chapters. In addition, the authors and publisher would like to thank
the following companies, organizations, and individuals for their contribution of resource
material, images, or other support in the development of Agricultural Mechanics and
Technology Systems.