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تتبع (مكافحة التتبع — защита от слежения  org.qa Alex_Odeychuk) | |||
| слежение: 10 phrases in 10 subjects |
| Astronautics | 1 |
| Electronics | 1 |
| Environment | 1 |
| Information security and data protection | 1 |
| Mechanics | 1 |
| Microsoft | 1 |
| Missiles | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |