A shadow bar 76 shades {TAIL ~ large cannister} 74, and in the louver system illustrated the large cannister is always nearest the sun and small cannister 72 is always furthest from {HEAD ~ the sun} 
A shadow bar 76 shades { TAIL ~ large cannister } 74 , and in the louver system illustrated the large cannister is always nearest the sun and small cannister 72 is always furthest from { HEAD ~ the sun }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH 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 HEAD