In one exemplary embodiment, sizes of {HEAD ~ openings} 48 may be selected such that {TAIL ~ a generally equal amount} of exhaust may be discharged from each opening 48 
In one exemplary embodiment , sizes of { HEAD ~ openings } 48 may be selected such that { TAIL ~ a generally equal amount } of exhaust may be discharged from each opening 48
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH