{HEAD ~ Apparatus} and method for improving {TAIL ~ the efficiency} of internal combustion engines and fluid pumping devices 
for improving
{ HEAD ~ Apparatus } and method for improving { TAIL ~ the efficiency } of internal combustion engines and fluid pumping devices
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH