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| набор кнопок (англ. термин взят из кн.: De Sanctis V. ASP.NET Core and Angular 2 Alex_Odeychuk) | |||
| button set: 21 phrases in 9 subjects |
| Aviation | 1 |
| Construction | 1 |
| Electronics | 1 |
| Mechanics | 1 |
| Music | 1 |
| Obsolete / dated | 1 |
| Programming | 1 |
| Technology | 9 |
| Telecommunications | 5 |