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| |||
| tapered-curvature | |||
| conical adapter | |||
| reducer (The concentric reducer is cone-shaped, and is used when there is a shift in diameter between pipes traduiser) | |||
| конический переход: 5 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Makarov | 1 |
| Technology | 1 |
| Transport | 1 |
| Weapons and gunsmithing | 1 |