{HEAD ~ The spiral flow} increases the rate of convection and thus increases {TAIL ~ the cooling capacity} of the cooling system 
increases
{ HEAD ~ The spiral flow } increases the rate of convection and thus increases { TAIL ~ the cooling capacity } of the cooling system
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH