A method and apparatus are provided for training and using a hidden conditional random field model for speech recognition and phonetic classification. An effect of light exposure is to generate photo-induced charges. The step of sharing includes borrowing bandwidth from the shared bandwidth bucket by a respective guaranteed bandwidth bucket to allow traffic to pass immediately through the network appliance. A set of intersecting fluid cells that intersects the aircraft surface are identified. The louvered door assembly provides a clean look, a compact arrangement, large air flow and resists water ingress into the enclosure. The flexures are aligned with forces arising from interaction with the media surface and from seeking various tracks, reducing torque and dynamic instabilities and increasing actuator access time.