1 SEMI-FINISHED MATERIALS MADE FROM POLYACETALS TO BE USED IN INDUSTRY, THESE MATERIALS BEING IN THE FORM OF SHEETS, PLATES, BLOCKS, RODS, TUBES, AND BANDS
23 MACHINE, MOTOR, AND TOOL PARTS, THESE PARTS BEING IN THE NATURE OF BEARINGS, HOUSINGS, SUPPORTS, RODS, SHAFTS, AND GEARS