{HEAD ~ The thermoplastic layer} is transparent to this radiation, whereas it is absorbed by the surface of {TAIL ~ the elastomer} 
{ HEAD ~ The thermoplastic layer } is transparent to this radiation , whereas it is absorbed by the surface of { TAIL ~ the elastomer }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL