FIG 3 is an enlarged view of {HEAD ~ the viewing window} along with {TAIL ~ associated counter parts} 
along with
FIG 3 is an enlarged view of { HEAD ~ the viewing window } along with { TAIL ~ associated counter parts }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL