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| 过程步 | |||
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procedure step : 30 phrases in 13 subjects |
| Biotechnology | 1 |
| Bridge construction | 1 |
| Business | 4 |
| Chemistry | 1 |
| Computer networks | 1 |
| Electric machinery | 1 |
| Information technology | 1 |
| Mathematics | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Statistics | 1 |
| Technology | 13 |
| Wind Energy | 1 |