prov:value
| - polyolefin, polyester, polyimide, vinyl acetate, vinyl chloride copolymer, polyethylene, polypropylene, polycarbonate or other polymer, or inorganic material such as an inorganic oxide (e.g., SiO.sub.2 or Al.sub.2 O.sub.3) or an inorganic fluoride (e.g.,
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