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failure data : 20 phrases in 12 subjects |
| Aviation | 1 |
| Business | 5 |
| Earth sciences | 2 |
| Economy | 1 |
| Electronics | 4 |
| Mechanics | 1 |
| Military | 1 |
| Project management | 1 |
| Quality control and standards | 1 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 1 |
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