| 441 / | HD | BUOYS, RAFTS, AND AQUATIC DEVICES |
| 80 | DF | WATER RESCUE OR LIFE PROTECTING APPARATUS {8} |
| 88 | DF | .~ Personal flotation device {9} |
| 90 | DF | .~.~ With mechanical inflation means {3} |
| 98 | DF | .~.~.~ By gas generation from chemical reaction {2} |
| 100 | ![]() | .~.~.~.~ With soluble or deformable element {1} |
| 101 | DF | .~.~.~.~.~> With cutting, punching, or striking means |