As {HEAD ~ a result} of {TAIL ~ this arrangement}, rotations of the arm 12 about the axis 9 lengthen or shorten each helical cord 
of
As { HEAD ~ a result } of { TAIL ~ this arrangement } , rotations of the arm 12 about the axis 9 lengthen or shorten each helical cord
OTH 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 OTH