A system for recording information relating to a vehicle is described. Optionally, radiosensitizer compositions may be formulated with other agents, including chemotherapy agents and agents that provide a synergistic radiosensitizing effect. The hybrid hinge 7, 8 comprise respective rigid hinges 2, 4 arranged to rotate the segments S1, S2, respectively S2, S1\u2032 about respective shafts 2, 4. The specially-shaped hanger body is operatively connected to a specially-shaped body cover by a plurality of links.