They are active on liner routes across the world. Utilizing containers, which are totally closed boxes meeting international standards, these ships carry all kinds of consumer goods including electrical appliances and apparels. Even in the rain containers can be loaded on or off board unaffected, readily transferred to railways and trucks, and delivered to customers on a door-to-door basis. As this type of containership has cargo gears of its own, it can call even at ports not equipped for the loading/unloading of containers.