83 / | HD | CUTTING |
13 | DF | PROCESSES {17} |
14 | DF | .~ With preparatory or simultaneous ancillary treatment of work {3} |
17 | .~.~ By distorting within elastic limit {3} | |
18 | DF | .~.~.~> By stretching |
19 | DF | .~.~.~> By compressing |
20 | DF | .~.~.~> By flexing around or by tool {1} |