An electrical plug-in connectoran electrical connection system is used between a socket of an igniter module and an electronic control unit for a restraint system in motor vehicles. The method also controls a power efficiency of the power amplifier output voltage. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The relative attack surface can be determined prior to or during utilization of a product. Specifically exemplified herein are compositions comprising predetermined amounts of L-theanine and EGCG, and methods of using same. In one embodiment, a carbon-doped silicon film is deposited non-selectively such that the film forms an epitaxial region where deposited on a crystalline surface and an amorphous region where deposited on an amorphous surface.