import javax.realtime.*;

   public class EngineControl implements Runnable
   {
      public EngineControl()
      {
         System.out.println("Engine Control handler constructor " );
      }
      
      public void start()
      {
         System.out.println("Engine start"); 
      }
      
      public void stop()
      {
         System.out.println("Engine stop"); 
      }
   
      public void run()
      {
         System.out.println("Engine Control"); 
      // adjust valve to ensure no mechanical drift
      // and, thereby, get an steady fuel flow
      }
   }