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