Because the cars arelifted from trains and placed for shipment, and a ship that carries the load is a cargo ship.
cargo.
That would be called cargo .
stevedore
Cargo is any commodity that earns freight and charter hire to ship. Transporting cargo is ship's business. Can any ship carry any cargo? NO. Ship must be suitable and fit enough to carry any particular cargo. This ability of ship is the cargoworthiness. 4 segments in carriage by ship: load the cargo, stow the cargo, preserve the cargo condition and no damage/harm to ship till handing over to receiving port, unload the cargo. Ship's ability to meet the rigors of each of these segments must be demonstrated before cargo is given to a ship. Thus the cargoworthiness of the ship will be established.
longshoremen unload ships cargo
A stevedore loads and unloads ships. In other places they are just called dockers.
Many items require special placement depending on what the cargo is. If you want to load grain for example you ship would have to be inspected by the department of agriculture before you can load it. If they find rust, the ship must be cleaned and reinspected before you can load.
a port is the place where a ship unloads and loads goods.
Such a person is known as a stevedore.
cargoes is the plural of cargo. strict meaning is goods carried by ship. cargo = freight, load, shipment, contents, goods
The ship loaded with a cargo of corks will displace more water because the weight of the corks adds to the overall weight of the ship, causing it to sink further into the water and displace more volume. The ship with no cargo will displace less water as it is lighter and sits higher in the water.