| 702 / | HD | DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING |
| FOR 134 | ![]() | MEASURING, TESTING, OR MONITORING (364/550) {3} |
| FOR 135 | DF | .~> Measuring and evaluating (e.g., performance) (364/551.01) {5} |
| FOR 141 | DF | .~> For basic measurements (364/556) {8} |
| FOR 155 | DF | .~> Operations performed (364/570) {11} |