A decorative ring shaped pan about the light can have vents that receive {HEAD ~ the incoming air} into {TAIL ~ the fan}, which is exhausted by the blower 
into
A decorative ring shaped pan about the light can have vents that receive { HEAD ~ the incoming air } into { TAIL ~ the fan } , which is exhausted by the blower
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH