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FN4.   A “dual use” item is one that is principally designed and used for commercial or civilian applications but that could also be readily used for a military or strategic application.  Examples of such items include high end or “strong” encryption software that can protect financial records or illicit terrorist communications, advanced carbon fiber materials that could be used in athletic equipment or in jet aircraft, supercomputers that might be used for weather forecasting or telecommunications analysis; etc.  The CCL within the EAR contains a very detailed and technically precise set of regulations that define what “dual use” items or technologies are considered controlled. See Export Administration Regulation Database