| 70 / | HD | LOCKS | 
| 57 | DF | SPECIAL APPLICATION {7} | 
| 174 | DF | .~ For control and machine elements {8} | 
| 207 | DF | .~.~ Handle, handwheel or knob {3} | 
| 209 |  | .~.~.~ Rotary or swinging {2} | 
| 210 | DF | .~.~.~.~> Locked stationary {3} | 
| 218 | DF | .~.~.~.~> Freely movable when locked {2} |