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.
But almost everyone has one they hate. From flight delays and cramped seats to bad customer service and lost luggage, airlines have a terrible reputation. In survey after survey, the airline industry ranks somewhere below most insurance sectors and only slightly above the cable television industry. Airlines are, to put it simply, not exactly adored.