The sidewall 44C of {HEAD ~ the body} 44 has {TAIL ~ air inlets} 54 adjacent each end of the center portion 46 
has
The sidewall 44C of { HEAD ~ the body } 44 has { TAIL ~ air inlets } 54 adjacent each end of the center portion 46
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH