•Inspector
 starts up the system, authenticate 
 •himself,
 and gets a work order. 
 –Modeling.ModelControl.initialize(IETM
 ietm, Panel p);
 –Modeling.ModelThread modelthread = 
 new ModelThread();
 –AugmentedReality.EventManager.addVectorEventListener(VectorListener vl);
 –modelthread.start();