Variables that affect the compensation value include the physical volume, an internal pressure of {TAIL ~ a suction pipe}, and the starting state of {HEAD ~ the engine} 
Variables that affect the compensation value include the physical volume , an internal pressure of { TAIL ~ a suction pipe } , and the starting state of { HEAD ~ the engine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD