Marine Transport Lines refers to companies that specialize in the transportation of goods and passengers over water. They operate various types of vessels, including cargo ships, tankers, and ferries, to facilitate trade and travel across oceans, seas, and rivers. These lines play a crucial role in global commerce by connecting different regions and enabling the movement of products. In addition to cargo transport, Marine Transport Lines also provide services for tourism and leisure. Cruise lines, for example, offer vacation experiences on large ships, while ferries transport people and vehicles between islands and coastal cities. Overall, these services are essential for both economic and recreational activities.