A method is disclosed for operating a synchronous machine via a three-phase power controller including three semiconductor controllers and connected to a three-phase network. The intraluminal device includes a stem portion and a toroidal cap portion. The child web application may determine whether a shared worker associated with the second domain is operating. A footrest assembly is optionally attached to the frame structure and is adapted to pivot about first and second pivoting axes parallel to each other, between a folded position and an unfolded position. Seat belt webbing produced in this way and seat belts containing such webbing are also included.