technical consultation and research, design, and testing of new products for others; computer services, namely, providing on-line books, manuals, magazines, [ guides, ] forms, illustrations and technical data packages in the field of aircraft, aircraft parts, avionics, and maintenance, operation, repair, and training associated with aircraft and aerospace products, parts and support equipment; technical consultation and assistance related to the design, [ manufacture, certification, ] operation, maintenance, repair, overhaul, or modification of aircraft and aircraft parts; [ making reservations and bookings for temporary lodging ]