Balanceo de rotores
The builder of the first locomotive was Richard Trevithick on July 25, 1814 - that would result later in a railroad
The railroad was the product of the Industrial Revolution arose in England during the eighteenth and nineteenth centuries
description: the train is defined as a vehicle, multiple, mechanically driven by circulating a railway specially made for him. It's called a train or railway wagons or series of connected cars that run on rails usually permanent rail freight or passengers from one place to another. However, there are road trains. The railroad can go by rail (conventional trains) or other means intended and designed for magnetic levitation. They may have one or more locomotives and can be attached at the