{HEAD ~ This action} prevents a decrease in {TAIL ~ engine performance} in that it provides better fuel distribution at the higher bypass ratios 
{ HEAD ~ This action } prevents a decrease in { TAIL ~ engine performance } in that it provides better fuel distribution at the higher bypass ratios
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH