A method is provided of automated rail loading of automotive vehicles. In a precursor assembly devised as a component for a stacked circuit module in accordance with a preferred embodiment of the present invention, one or more stiffeners are disposed at least partially between a flex circuit and an integrated circuit. The non-conductive materials in the first patterned or apertured layer may be randomly located or located in a predetermined segmented pattern such that the non-conductive materials in the first patterned or apertured layer are located in a predetermined segmented pattern with respect to locations of the non-conductive materials in the second patterned or apertured layer. The modules may include a necklace module, a bracelet module, a charm or pendant module, a ring module, a clip-on earring module, a stud earring module, a pierced earring module, a cufflink module, a decorative pin or medal module, a watch module, and a pocket module. The composition according to the present invention is useful in preventing or treating various immune-related diseases or oxidative-stress-related diseases since the composition reduces the toxicity of arsenic compounds, which traditionally have been difficult to use in clinical practice due to toxicity, while nevertheless maximizing the pharmacological effects thereof.