The steam engine was a major contributor to the expansion of the American West. As diesel engines and specialty cars were created the role that trains played in the American landscape continued to expand. Today trains serve a vital role for the movement of goods, people and services to all parts of the country both city and rural.
Tugboats Working on a tugboat can be quite unusual and exciting.
Learn the ways that tugboats assist in transportation and help to serve the shipping industry. When ships arrive in ports around the world loaded with products from other cities and lands, tugboats help them safely navigate until they are in the open ocean again. 14 minutes each . .