Applies to the mfg. of plastic products which are not otherwise classified. These products are manufactured from raw materials in the form of sheets, rods or tubes. Applies to mfg. by machining, bending, buffing or polishing. Also applies to mfg. by dipping process. Not applicable to any operations properly assignable to chemical codes 4828 or 4829. Refer to code 4844 for plastics mfg.: molded products not otherwise classified, code 4459 for plastics mfg.: sheets, rods, tubes.