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| предохранительная крышка | |||
| заглушка входного отверстия в акваланг | |||
| защитная крышка | |||
| protection cap: 7 phrases in 6 subjects |
| Astronautics | 1 |
| Cables and cable production | 1 |
| Cinema equipment | 1 |
| Natural resourses and wildlife conservation | 1 |
| Occupational health & safety | 1 |
| Technology | 2 |