{HEAD ~ The aluminum coating} is next to the support and protected from the ambient atmosphere by {TAIL ~ the clear Mylar film} 
is protected by
{ HEAD ~ The aluminum coating } is next to the support and protected from the ambient atmosphere by { TAIL ~ the clear Mylar film }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL