A molten aluminum alloy processing method is intended use sludge produced by the zinc phosphate treatment of structures including those of aluminum alloys effectively as a flux for molten aluminum alloy processing. Selection may be based on relative magnitudes of the thresholds. The content data is associated with the content data set and the spurious data set. Each gripper is independently pivotal between a relaxed position wherein the upper surface is parallel to the frame common plane and a raised position in which its upper surface is inclined outwardly. The RBM can be a suitable adhesive, or a component composed of a shape memory metal or a material which softens when subjected to heat or other atypical condition. The camera also includes a rear housing member having a second mating portion and a plurality of individual rear electrical connectors with first connector portions of the individual rear electrical connectors extending from the rear housing member to make electrical connection with an electrical connector of the vehicle.