 |
| |||
| тройник с перегородкой (MichaelBurov); тройник с решёткой (OGC) | |||
| заблокированный тройник (ekshu) | |||
| barred tee: 25 phrases in 9 subjects |
| Automated equipment | 1 |
| Bridge construction | 1 |
| Construction | 4 |
| Makarov | 1 |
| Nautical | 10 |
| Seismology | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
| Transport | 2 |