釽櫃船上的貨櫃是何時及何人來固定的

Before ship's arriving in port or departing from port, the port captain of marine dept., will receive a discharging plan or container loading plan from the shipping company who give instruction to port terminal operators to work out as per the vessel loading plan.
As soon as all containers are stacked up the ship's captain then order crews to lock up all containers secured safety before ship to depart from port.
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