{HEAD ~ The dual modulated increases} in {TAIL ~ fluid pressures} are considered completed when each of the modulated fluid pressures substantially stops increasing upon initially reaching its respective peak fluid pressure 
{ HEAD ~ The dual modulated increases } in { TAIL ~ fluid pressures } are considered completed when each of the modulated fluid pressures substantially stops increasing upon initially reaching its respective peak fluid pressure
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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