| 428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| 98 | DF | STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.) {20} |
| 156 | DF | .~ Including variation in thickness {7} |
| 167 | DF | .~.~ Parallel ribs and/or grooves {2} |
| 168 | | .~.~.~ With particulate matter |