| 264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| 138 | DF | WITH SEVERING, REMOVING MATERIAL FROM PREFORM MECHANICALLY, OR MECHANICALLY SUBDIVIDING WORKPIECE {10} |
| 157 | DF | .~ Dividing work to form plural articles {3} |
| 159 | | .~.~ Tubular work |