| 198 / | HD | CONVEYORS: POWER-DRIVEN |
| 339.1 | DF | WITH MEANS TO FACILITATE WORKING, TREATING, OR INSPECTING CONVEYED LOAD AT A STATION {8} |
| 345.1 | ![]() | .~ Means engaging conveyor or load on a conveyor to align load for working {1} |
| 345.2 | DF | .~.~> Means engages conveyor to fix conveyor position relative to station {1} |