A scanner unit has first and second carriages located below a glass document table. More specifically, it relates to risk modeling using the inputs of credit bureau data, size of wallet data, and, optionally, internal data. A first aspirator 38 is in fluid communication with the diluent inlet. The direction light module is installed on the bicycle and faces towards the rear side of the bicycle. The invention also relates to a printing machine containing one such assembly. A new design for a flow-through electrowinning cell that employs both flow-through anodes and flow-through cathodes is described.