Read the following text with five gaps. Choose the best sentence or phrase from the list A~F. (There is one extra item.) For gaps 1~5, mark one letter (A~F) to fill each of the gaps. Do not mark any letter twice. Packaging, in Business practice, is one of the most important problems which confront the merchants engaged in foreign trade. It needs more care in foreign trade than domestic trade. The real art of packaging is to 1.___________ that will stay in perfect condition with nothing missing during the roughest journey. Every buyer expects that his goods will reach him in mint condition. Nothing is more infuriating to a buyer than to find his goods damaged or part missing on arrival. It has been estimated that as much as 70% of all cargo loss could be prevented by proper packaging and marking. Hence, in this respect, suitable packaging is of great necessity and importance.