{TAIL ~ The specular layer} 22 comprises a film 23 of a commercially available polyester film such as Mylar having a metallized coating 24 deposited on clear film 23 to form {HEAD ~ a specular surface} 26 
{ TAIL ~ The specular layer } 22 comprises a film 23 of a commercially available polyester film such as Mylar having a metallized coating 24 deposited on clear film 23 to form { HEAD ~ a specular surface } 26
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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH