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| disc (A round, flat piece of nonmagnetic, shiny metal encased in a plastic coating, designed to be read from and written to by optical (laser) technology) | |||
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disk : 28 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Information technology | 5 |
| Medical | 3 |
| Microsoft | 18 |
| Transport | 1 |