In certain example embodiments, the velocity of the air/wind may be increased within the channel by virtue of {HEAD ~ features} including, for example, {TAIL ~ retractable and directional vanes} and side wall elements that help create constricting locations  
including
In certain example embodiments , the velocity of the air / wind may be increased within the channel by virtue of { HEAD ~ features } including , for example , { TAIL ~ retractable and directional vanes } and side wall elements that help create constricting locations
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 REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH