A lithographic apparatus is arranged to transfer a pattern from a patterning device onto a substrate and includes an electromagnetic actuator to actuate a part of the lithographic apparatus in a linear direction or in a rotational direction. The closure includes at least one, and in one embodiment, first and second doors, for selectively covering an opening in the housing of the particle accelerator which provides access to the targeting assembly. An enhancement engine reconfigures the electronic message to the enhanced notification if stored information related to the intended recipient indicates that the intended recipient is subscribed to receive the enhanced notification. The flow channels of foils that are positioned on top of each other. The parameters of the personal e-mail classifiers generally are set by the users through retraining, such that the personal e-mail classifiers are refined to track the subjective perceptions of their respective user as to what e-mails are spam e-mails.