prov:value
| - The articles of the invention are preferably of thermoplastic or thermosetting polymers such as polyethylene, polypropylene, nylons, melamine, polystyrenes, polycarbonates, various fluorinated polymers, epoxy resin, cellulose acetate, vinyl chloride polymers, copolymers of the above and other materials, modified polymers including filled and plasticized polymers, etc.; although they may in certain
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