During normal operation, heat loss from the solar panel is reduced by covering {HEAD ~ the upper side} of {TAIL ~ the absorber plate} with an inflatable transparent cover, and also covering the rear side of the panel with an insulating material which can be an inflatable insulating bladder 
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During normal operation , heat loss from the solar panel is reduced by covering { HEAD ~ the upper side } of { TAIL ~ the absorber plate } with an inflatable transparent cover , and also covering the rear side of the panel with an insulating material which can be an inflatable insulating bladder
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH