| http://www.w3.org/ns/prov#value | - It is presently preferred that a moldable thermoformable material be used to form light transmissive substrate 32, which include, for example, plastics such as polyesters, polyethylene terephthalate (PET) such as PET type G, polycarbonate, acrylics such as polyacrylates including polymethyl methacrylate (PMMA), polyvinyl chloride, polyvinylidene chloride, polystyrene, cellulose diacetate and cellu
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