A lower enclosure supports and protects a child’s lower body and legs, and an upper enclosure supports and protects a child’s head and shoulders. By adjusting the distance and angle of the reflecting means to the conveyor and beam, and improved dose uniformity ratio is obtained. Rear pillars to be erected on the rear mount bases are provided with notched portions for fitting engagement with the fitting joint projections. The system and method further includes linking a software application configured for computing a specific price to a second display region of the graphical user interface, and displaying a second indicator in a second display region of the graphical user interface. The standard features provided by the second VM are accessed by native platform entities through a standardized native interface.