428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
544 | DF | ALL METAL OR WITH ADJACENT METALS {31} |
588 | .~ Workpiece of parallel, nonfastened components (e.g., fagot, pile, etc.) {2} | |
589 | DF | .~.~> Arranged to avoid lateral displacement |
590 | DF | .~.~> Composite |