In {TAIL ~ another embodiment}, {HEAD ~ the air} is drawn into the intake housing primarily from an area above one or both sides of the grain bin extension 
In
In { TAIL ~ another embodiment } , { HEAD ~ the air } is drawn into the intake housing primarily from an area above one or both sides of the grain bin extension
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH