In this way, {HEAD ~ the area} above {TAIL ~ the photoreceptor} can be used both for a reception area and for a charge transfer area 
above
In this way , { HEAD ~ the area } above { TAIL ~ the photoreceptor } can be used both for a reception area and for a charge transfer area
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH