removing said first insulating layer thereby exposing {TAIL ~ the outer walls} of {HEAD ~ said first conductive material} 
removing said first insulating layer thereby exposing { TAIL ~ the outer walls } of { HEAD ~ said first conductive material }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD