How does Fastex recommend that items be packed?

Câu hỏi :

Question 80 - 82 refer to following paragraph:
INTERNATIONAL TRAVEL EXPO – Shipping Instructions for US Exhibition
Fastex has been designated the official transportation coordinator of equipment and display materials for all exhibitors participating in the International Travel Expo. The following information includes shipping dates, consolidation points, and documentation requirements for the transportation into France of all your material for the exposition. The following air freight cut-off dates have been selected to allow as much time as possible to prepare your exhibition materials prior to shipment:
Door-to-door delivery                     No later than June 15th
Drop off at consolidation point       No later than June 21st
Fastex is able to pick up your cargo from your facility and arrange delivery to one of our domestic consolidation points: Oakland, Denver, New York, Los Angeles, or Houston. Simply call us to schedule the pickup. If you choose, you may send your goods directly to the consolidation point, prepaid. Please notify us of your freight’s impending arrival at the consolidation point. Include the Carrier’s Bill of Landing/Airway Bill information, the gross weight, total number of pieces sent, and copies of the commercial invoices for the goods sent. Whether we pick up your freight or it is delivered, we urge exhibitors to use strong, wooden cases that offer protection from the weather for the transportation of exhibition materials. In the event that your cases are secured with a lock of combination, please don’t forget to provide the key or combination number to us for customs examination.
80. How does Fastex recommend that items be packed?