The solar heating panel or wall section matches and supplements the appearance of adjacent standard wall surfaces and a virtually unnoticeable transition from {HEAD ~ standard} to {TAIL ~ solar heating wall surfaces} is achieved 
The solar heating panel or wall section matches and supplements the appearance of adjacent standard wall surfaces and a virtually unnoticeable transition from { HEAD ~ standard } to { TAIL ~ solar heating wall surfaces } is achieved
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH