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| efficient (про механізм); in going order; in kilter; O.K.; okay; right; serviceable; sound; taut; exact; in good repair (в доброму стані); in good working order; punctual (точний, акуратний); skilful (про людину) | |||
| operative | |||
| correct | |||
| fault-free | |||
| efficient | |||
| accurate; fit; in good repair; nonfaulty | |||
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справний : 30 phrases in 12 subjects |
| Astronautics | 1 |
| Aviation | 2 |
| Computers | 3 |
| Economics | 1 |
| Finances | 1 |
| General | 5 |
| Information technology | 4 |
| Law | 5 |
| Microelectronics | 1 |
| Military | 3 |
| Oil and gas | 1 |
| Technology | 3 |