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