| 700 / | HD | DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS |
| 90 | DD | SPECIFIC APPLICATION, APPARATUS OR PROCESS {16} |
| 95 | DD | .~ Product assembly or manufacturing {7} |
| 117 | DD | .~.~ Particular manufactured product or operation {11} |
| 159 | DD | .~.~.~ Machining {14} |
| 180 | DD | .~.~.~.~ Having operator interface feature {5} |
| 181 | | .~.~.~.~.~ Specific programming format (e.g., macro) |