The ship that transports goods is called cargo ship, which mainly refers to modern ships driven by mechanical wheels. It enables people to trade between different regions of the world. Today, a large number of different types of freighters built by various countries sail on the sea, ranging from large oil tankers to small tugboats, from ferry carriers to ships specially designed to search for damaged ships.

Ships mainly carrying goods and less than 12 passengers. A cargo hold in which most of the spaces are used to store cargo. There are many types of cargo ships, which vary greatly in size, with displacement ranging from hundreds of tons to hundreds of thousands of tons. As a means of transport, compared with other means of transport, ships have the advantages of large carrying capacity and low operating costs. With the development of the world economy, modern transport ships have formed a huge fleet with various types, complex technology and high specialization.