{TAIL ~ Rods} 110, 110 preferably are made from a stiff resilient material, to resist {HEAD ~ both lateral bending} as well as axial twisting from torsional forces 
{ TAIL ~ Rods } 110 , 110 preferably are made from a stiff resilient material , to resist { HEAD ~ both lateral bending } as well as axial twisting from torsional forces
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH