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| жёстко; строго | |||
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sert sert : 43 phrases in 10 subjects |
| Anatomy | 1 |
| Cooking | 2 |
| Fish farming pisciculture | 2 |
| General | 25 |
| Grammar | 1 |
| Metal science | 2 |
| Mining | 2 |
| Polymers | 1 |
| Technology | 1 |
| Welding | 6 |
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