| http://www.w3.org/ns/prov#value | - For example, the material in the nose pad 28 may be comprised of a softer material such as rubber, silicone, soft thermoplastic materials or soft foam materials and the material in the extended clip-on section 30 may be comprised of hard thermoplastic materials (i.e., polycarbonate, ABS, nylon), hard foams or metals.
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