 |
| |||
| header (An information structure that precedes and identifies the information that follows) | |||
| header | |||
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header : 25 phrases in 12 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Communications | 4 |
| Electronics | 1 |
| Industry | 3 |
| Information technology | 2 |
| Labor law | 2 |
| Medical | 4 |
| Microsoft | 3 |
| Natural sciences | 2 |
| Technology | 1 |
| Transport | 1 |