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| Switching Division; overlap sending; U2 | |||
|
N2 : 51 phrases in 13 subjects |
| American usage, not spelling | 1 |
| Biology | 1 |
| Chemistry | 22 |
| Communications | 2 |
| Food industry | 7 |
| Health care | 2 |
| Medical | 3 |
| Medical appliances | 3 |
| Mining | 1 |
| Nuclear physics | 1 |
| Radiation | 5 |
| Statistics | 2 |
| Transport | 1 |