406 / | HD | CONVEYORS: FLUID CURRENT |
10 | WITH MEANS TO CONTROL CONVEYING FLUID OR MOVEMENT OF LOAD IN RESPONSE TO SENSED CONDITION {3} | |
11 | DF | .~> Responsive to obstacle in system |
12 | DF | .~> Control of conveying fluid {4} |
28 | DF | .~> Control of load input or output {1} |