In this instance, too, {HEAD ~ each conductor} may overlap with {TAIL ~ portions} of the back electrode 151 
overlap with
In this instance , too , { HEAD ~ each conductor } may overlap with { TAIL ~ portions } of the back electrode 151
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH