Finally, FIG 7 shows {HEAD ~ a schematic} for adding the present invention to {TAIL ~ an existing power supply} 
Finally , FIG 7 shows { HEAD ~ a schematic } for adding the present invention to { TAIL ~ an existing power supply }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL