| 83 / | HD | CUTTING |
| 360 | DF | OPERATION CONTROLLED BY DETECTOR MEANS RESPONSIVE TO WORK {8} |
| 370 | ![]() | .~ Actuation of tool controlled in response to work-sensing means {2} |
| 371 | DF | .~.~> Sensing means responsive to work indicium or irregularity |
| 372 | DF | .~.~> With trip-switch in work-sensing mechanism |