9 Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; data processing equipment; data-processing equipment; computers; downloadable computer software for use in database management; recorded visualization, control, and diagnosis computer software for use in managing and operating rail transport infrastructure equipment; controllers being voltage regulators; network management control apparatus, namely, computer network adapters and computer network hubs; microprocessor controls; communications transmitters; communications receivers; data communications apparatus, namely, wireless communication devices for data transmission; network access server hardware; electrotechnical equipment and apparatus, in particular plug-in connectors, electric switches, electric sensors and contact sensors being pressure sensors; display, measuring, counting, recording, monitoring, testing, control, regulating and commutation apparatus, namely, thermometers for rail transport infrastructure equipment; electronic apparatus and equipment for collecting, processing and displaying data, namely, data processing apparatus, data processing equipment, and computer display screens, in particular in the field of railway traffic; electronic display apparatus for rail vehicles, namely, visualizing and monitoring equipment, specifically, electrical controllers and electronic control systems for engines and machines, in particular for system conditions and states and for point heating installations; snow warning devices being snow alarm sensors; temperature regulating apparatus, namely, temperature controllers for rail transport systems and remote controllers for point heating installations; downloadable computer software for use in remotely controlling and remotely diagnosing point heating systems; remote electronic monitoring apparatus for monitoring rail vehicles; network communications apparatus, namely, network access server hardware