{HEAD ~ The orifice means} provides {TAIL ~ means} to divide the pump flow in a suitable ratio for providing a regulated portion and another remaining portion 
provides
{ HEAD ~ The orifice means } provides { TAIL ~ means } to divide the pump flow in a suitable ratio for providing a regulated portion and another remaining portion
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH