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