A powered system to selectively position a vehicle liftgate at a multiple of positions intermediate a fully open and a fully closed position. The semiconductor device includes a superlattice semiconductor layer in which first material layers and second material layers formed of different materials are alternately stacked. If such performance degradations persist, as detected by such near real-time monitoring, then the network operator can repair or replace the element in question to maintain network performance. A position of the fault is evaluated at a point of the network where a ratio between a difference of the voltages measured at two of the locations and an impedance between one of the two locations and the point is equal to the fault current. Each of the ear portions is positioned whereby the ear portions are diametrically opposed when the base portion is positioned around the neck of the user. Optionally, the flanges of the fluid carrying members and the coupling assembly may be coated with a conductive coating thereby providing a redundant means to prevent buildup of an electrostatic charge.