Container vessels better ensure safe transport of goods. In the past, goods packed in wooden and cardboard boxes or canvas bags were vulnerable to damage during the voyage. Piled atop each other in a large mass, they were also difficult to unload and identify.
傳統的木箱、紙箱或布袋包裝，貨品容易在搬運過程中受損；各式各樣的貨品堆疊在一起，尋找辨識也不易，遺失風險大。