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| observations intégrées | |||
| observations additives | |||
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Integrated Data : 31 phrases in 11 subjects |
| Automated equipment | 3 |
| Coal | 1 |
| Communications | 9 |
| Computers | 2 |
| General | 1 |
| Information technology | 6 |
| Name of organization | 2 |
| Statistics | 2 |
| Telecommunications | 3 |
| Trade unions | 1 |
| Transport | 1 |