. . . . . "For example, plastics or chemicals that may be used in the present invention include, but are not limited to, high density polyethylene (HDPE), low density polyethylene (LDPE), polypropylene, polystyrene, polyvinyl chloride (PVC), polyvinyl acetate, polyacrylonitrile, polyurethane, acrylonitrile butadiene styrene (ABS), various copolymers, and other plastics and chemicals having suitable character" . . . . .