| 264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| 500 | DF | DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK {14} |
| 555 | DF | .~ Production of continuous or running length {3} |
| 557 | DF | .~.~ Including liquid contact {4} |
| 561 | ![]() | .~.~.~ Contact with liquid coagulant or reactive liquid |