| 193 / | HD | CONVEYORS, CHUTES, SKIDS, GUIDES, AND WAYS |
| 2 R | DF | CHUTES {25} |
| 25 R | ![]() | .~ Flexible wall {7} |
| 25 A | DF | .~.~> Open-face chutes |
| 25 E | DF | .~.~> Individual elements |
| 25 AC | DF | .~.~> Ammunition chutes |
| 25 S | DF | .~.~> Resilient conduit or spring construction |
| 25 FT | DF | .~.~> Feed tracks |
| 25 B | DF | .~.~> Balloon or inflatable members |
| 25 C | DF | .~.~> Extensible, flexible chutes |