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