At {HEAD ~ the front end} of {TAIL ~ the conductor terminal part} is the sleeve shaped contact spring part 13 
At { HEAD ~ the front end } of { TAIL ~ the conductor terminal part } is the sleeve shaped contact spring part 13
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH