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