{HEAD ~ Other movements} of the auxiliary piston provide {TAIL ~ the advantages} of low pressure internal supercharging, and minimizing the retarding effect on the working piston by the compressive forces within the combustion chamber 
provide
{ HEAD ~ Other movements } of the auxiliary piston provide { TAIL ~ the advantages } of low pressure internal supercharging , and minimizing the retarding effect on the working piston by the compressive forces within the combustion chamber
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH