{HEAD ~ a first screening layer}, adjacent to {TAIL ~ said panel core}, having a predetermined non thickness dimension that is less than said pre determined non thickness dimension of said panel core and 
adjacent to
{ HEAD ~ a first screening layer } , adjacent to { TAIL ~ said panel core } , having a predetermined non thickness dimension that is less than said pre determined non thickness dimension of said panel core and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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