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| ball and ring method | |||
| ring-and-ball test (MichaelBurov) | |||
| ring-and-ball method (для определения температуры размягчения битумов) | |||
| ball-and-ring method | |||
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| ball-and-ring method (для испытания дорожного битума) | |||
| метод кольца и шара: 10 phrases in 5 subjects |
| Chemistry | 2 |
| Construction | 3 |
| Polymers | 2 |
| Technology | 2 |
| Weapons of mass destruction | 1 |