{HEAD ~ The plurality} of {TAIL ~ the drive and driven gears} provides for a smooth power flow and decrease of energy loss 
of
{ HEAD ~ The plurality } of { TAIL ~ the drive and driven gears } provides for a smooth power flow and decrease of energy loss
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH