{HEAD ~ The second end} of {TAIL ~ the spring} is coupled, by means of a movable carriage, to the elongated flexible member 
of
{ HEAD ~ The second end } of { TAIL ~ the spring } is coupled , by means of a movable carriage , to the elongated flexible member
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH