 |
| |||
| полимерное покрытие части резьбы (The polyamide patch coating is a process where an elastic plastic material (Polyamide) is applied to a part of thread which creates a jamming action during the tightening of a nut. Сабу) | |||
|
patch coating : 4 a las frases, 2 temas |
| Juego de cartas | 1 |
| Makárov | 3 |