264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
69 | TREATMENT OF MATERIAL BY VIBRATING, JARRING, OR AGITATING DURING SHAPING {2} | |
70 | DF | .~> Continuously formed or indefinite length article |
71 | DF | .~> By reciprocating or vibrating mold {1} |