An electromechanical VVA system for controlling the poppet valves in the cylinder head of an internal combustion engine. The air system lends itself equally well to frontrear wall or sidewall applications and is especially beneficial for rectangular boilers. A process for making the catalyst involves a heat treatment. The bending mechanism is capable of axial movement in relation to a central axis of the central retaining portion for imparting a curvature to an aluminum metal sheet. The members may ideally be arranged as a neat packet of related objects including a pair of elongated members configured, arranged, aligned and joined together so as to present a single elongated construct having an open interior. The present disclosure describes a novel method and apparatus which allows the Tap domain selection circuitry to be removed from the scan path after it has been used to select Tap domains and to be replaced back into the scan path when it is necessary to select different Tap domains.