At least partially reflective coatings are provided on {HEAD ~ both faces} of {TAIL ~ the polymer film} 
of
At least partially reflective coatings are provided on { HEAD ~ both faces } of { TAIL ~ the polymer film }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL