In {TAIL ~ certain example embodiments}, {HEAD ~ the velocity} of the air/wind may be increased within the channel by virtue of features that produce the Coanda effect 
In
In { TAIL ~ certain example embodiments } , { HEAD ~ the velocity } of the air / wind may be increased within the channel by virtue of features that produce the Coanda effect
REL TAIL 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