{HEAD ~ This device removal signal} can provide notice of a power state change for the device, such as {TAIL ~ the interruption} of electrical power to that device 
{ HEAD ~ This device removal signal } can provide notice of a power state change for the device , such as { TAIL ~ the interruption } of electrical power to that device
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH