| http://www.w3.org/ns/prov#value | - Damping plate layer 33 may consist of ABS (terpolymer of acrylonitrile butadiene and styrene), polyamides such as nylon 66, polycarbonates, polyethylene, polypropylene, polystyrene, styrenebutadiene copolymers and polyfluorocarbons such as polytetrafluoroethylene.
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