The air inlets 54 extend completely through the sidewall 44C and through the ends of {HEAD ~ the center portion} 46 into {TAIL ~ the center cavity} 52 and allow fluid communication between the outside ambient air and the center cavity 52 
The air inlets 54 extend completely through the sidewall 44C and through the ends of { HEAD ~ the center portion } 46 into { TAIL ~ the center cavity } 52 and allow fluid communication between the outside ambient air and the center cavity 52
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH