• The American Society of Mechanical Engineers, 3 Park Ave., New York, NY 10016. Internet: http://www.asme.org

Information about heating, refrigeration, and air-conditioning engineering, a mechanical engineering specialty, is available from:

• American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc., 1791 Tullie Circle NE., Atlanta, GA 30329. Internet: http://www.ashrae.org

Information about automotive engineering, a mechanical engineering specialty, is available from:

• Society of Automotive Engineers, 400 Commonwealth Dr., Warrendale, PA 15096-0001. Internet: http://www.sae.org

See the introduction to the section on engineers for information on working conditions, training requirements, and other sources of additional information.