computer software and related user manuals, sold as a unit, for use in operating and managing railroads, namely, software for monitoring train locations, corridors, arrivals, departures, performance, delays, car types, car numbers, engine loads, blocking, block markers, commodities, cargoes, and notes regarding special handling and/or hazardous materials; monitoring and providing information regarding terminal arrivals, departures, and performance; and monitoring and providing customer information
Electrical and Scientific Apparatus