{HEAD ~ Suitable thermal insulation} is also provided on the rear or shade side of the absorber plate to prevent undesirable heat loss from {TAIL ~ that side} of the panel 
{ HEAD ~ Suitable thermal insulation } is also provided on the rear or shade side of the absorber plate to prevent undesirable heat loss from { TAIL ~ that side } of the panel
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH