{HEAD ~ Pivotal movement} of the oscillating axle assembly imparts {TAIL ~ a twisting motion} to opposite ends of the torsion bar 
{ HEAD ~ Pivotal movement } of the oscillating axle assembly imparts { TAIL ~ a twisting motion } to opposite ends of the torsion bar
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH