The nut has first and second ends, the first end to engage the wheel of the automobile, and {HEAD ~ a circumferential edge} intermediate {TAIL ~ the first and second ends} 
intermediate
The nut has first and second ends , the first end to engage the wheel of the automobile , and { HEAD ~ a circumferential edge } intermediate { TAIL ~ the first and second ends }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL