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sistema telefónico interno; sistema de intercomunicação |
internal system: 24 phrases in 11 subjects |
Communications | 1 |
Earth sciences | 1 |
Economy | 2 |
Finances | 1 |
General | 2 |
International Monetary Fund | 2 |
Law | 2 |
Life sciences | 1 |
Taxes | 10 |
Transport | 1 |
Welding | 1 |