The opening area of {HEAD ~ the jet receiving port} 198 may be greater than the opening area of {TAIL ~ the jet inlet port} 192 
The opening area of { HEAD ~ the jet receiving port } 198 may be greater than the opening area of { TAIL ~ the jet inlet port } 192
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH