In the preferred embodiment, each air inlet 54 is divided into {TAIL ~ a series} of {HEAD ~ smaller apertures} 54A 
In the preferred embodiment , each air inlet 54 is divided into { TAIL ~ a series } of { HEAD ~ smaller apertures } 54A
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH