Introduction - If you have any usage issues, please Google them yourself
Background Airlines cargo flights to and from various countries and goods in the sub-Li centers, sub-arguments centered delivery of goods to various countries, and then sent to various countries of the goods issued by Sub-Center. Sub-Li center is very large, each country has its own cargo terminal, each terminal has two platforms used to stack cargo. Where A platform for stacking goods shipped to the country, while the B platform, goods piled up in other countries. Each country' s air cargo terminals arranged in a ring. (For details see the internal document)