242 / | HD | WINDING, TENSIONING, OR GUIDING |
550 | DF | UNWINDING {8} |
551 | DF | .~ With attachment to preceding material {5} |
555 | DF | .~.~ Splicing running material (i.e., flying splice) {2} |
555.1 | .~.~.~ Shift new material {1} | |
555.2 | DF | .~.~.~.~> Longitudinal shift |