Systems and methods for reducing problems and disadvantages associated with physically asymmetrical memory structures are disclosed. The security screen is removably attached to the driver’s seat in a way that does not restrict the movement of the driver’s seat, nor restrict the driver’s access or escape from the vehicle. Due to this measure, a negative pitching moment during the actuation of high-lift control surfaces may be at least partially eliminated without influencing the high lift. Finally, the dried mixed powder is calcined to produce BaTiO3 powder.