{HEAD ~ The method} 1 wherein {TAIL ~ the heat transfer fluid} is circulated without pressurizing the space between the absorber plate and the cover, thereby increasing the heat rejection characteristics of the collector 
wherein
{ HEAD ~ The method } 1 wherein { TAIL ~ the heat transfer fluid } is circulated without pressurizing the space between the absorber plate and the cover , thereby increasing the heat rejection characteristics of the collector
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL 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