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