the goods which have entered the territory,approved by the Customs as items for which no formalities are performed in the way of duty payment,and will be reshipped out of the territory after being stored,processed or assembled in the territory are defined as （）

The operation of the storage,processing and assembling of the bonded goods and consignment sales should be approved by and registered（）the Customs.
 

Colombo is one of the port cities of（）