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.
Southwest Airlines' Business Model Could Soon Be the Industry Standard. Southwest Airlines Co. (LUV) has become the darling of the U.S. airline industry (and its investors) since its inception in 1966. With a focus on commuter benefits, low airfares and efficient operations, it is known as one of the best airline companies in the entire industry.