| 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} |
| 174 | | .~.~.~.~ Performance monitoring {2} |
| 175 | DD | .~.~.~.~.~> Condition of tool or workpiece (e.g., tolerance, tool wear) {1} |
| 177 | DD | .~.~.~.~.~> Protective or diagnostic feature {1} |