Education services in the nature of providing training and conferences in the field of the operation, maintenance, repair, and overhaul of aircraft, and distributing course material in connection therewith; computer services, namely, providing on-line publications in the nature of books, manuals, magazines, forms, illustrations and technical data package specification sheets in the field of aircraft, aircraft parts, avionics, and maintenance, operation, repair, and training associated with aircraft and aerospace products, parts and support equipment