9 Navigation devices and apparatus, namely, navigation apparatus and GPS navigation device for rail vehicles; measurement devices and apparatus, namely, sensors for measuring distance traveled by rail vehicles; rail vehicle tire-pressure measurers; computer software for the collection of data in the field of rail vehicles; digital electronic devices for transmitting data; speed measurement apparatus and devices, namely, speedometers for rail vehicles; electronic rotational speed sensors and electronic rotational measurement apparatus and devices for measuring rotational speed of motors for use with rail vehicles; vibration measurement devices and apparatus, namely, vibration meters for use with rail vehicles; localization devices, namely, vehicle detection equipment, namely, display monitors, computers, image sensors, video cameras, and operating system and application software to detect vehicle location; data processing devices, namely, data processing apparatus; tracking and tracing systems, namely, computer hardware and software system for tracking people, objects and pets using GPS data from a device on the tracked people, objects and pets; electronic devices for locating and tracking rail vehicles, goods and parts of goods as freight, containers as freight, persons, animals and other related objects using radio frequency, global positioning systems, cellular communication networks, GPS tracking devices incorporating computer hardware and software, all for tracking movements and location by collecting, transmitting, storing, and processing information as to status of rail vehicles, goods and parts of goods as freight, containers as freight, persons, animals and other related objects; and telecommunication devices and apparatus, namely, telecommunication cables, exchanges, switches, and towers