1 In a bowl, sift together the cocoa, baking soda, flour and salt. 2  Take a large mixing bowl and stir together the margarine and sugar, until you have a fluffy mixture. 3  Add the eggs one by one, mixing well in between.  Add the vanilla extract and continue mixing.
The airline industry became a systems-oriented world. Actually, the industry is a complex system defined by the interactions among its several sub-systems: aircrafts, airports, passengers and aviation policy. It is also a complex system in the sense that it encompasses several simpler sub-systems.
IATA â the International Air Transport Association â works with its airline members and the air transport industry as a whole to promote safe, reliable, secure and economical air travel for the benefit of the world's consumers. IATAâs 240 member airlines comprise 94% of all international traffic.ATAâs Billing and Settlement Plan serves as the financial backbone of the industry by managing the flow of the over $270 billion generated annually by travel agent ticket sales to airlines. And there is much, much more-visit www.iata.org.