new public void timestep()
 {
     base.timestep();
     if (productisready())
     {
         for (int i = 0; i < bombsready.Count; i++)
         {
             NB.Add(bombsready[i]);
         }
         bombsready = List <Nuclearbomb>();
     }
     if (isfree())
     {
         produce();
     }
 }