If the solar cover is made with a plastic frame which is foamed on or injected on, in the edge area of the cover plate, the plastic frame can have {HEAD ~ recesses} in {TAIL ~ the area} of the cover side contacts which are already attached in the foaming or injection process 
If the solar cover is made with a plastic frame which is foamed on or injected on , in the edge area of the cover plate , the plastic frame can have { HEAD ~ recesses } in { TAIL ~ the area } of the cover side contacts which are already attached in the foaming or injection process
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