| English thesaurus | |||
| |||
| dummy variable (ssn) | |||
|
slack : 104 phrases in 29 subjects |
| Agriculture | 1 |
| Automobiles | 3 |
| Chemical fibers | 1 |
| Chemistry | 6 |
| Construction | 2 |
| Drilling | 1 |
| Earth sciences | 2 |
| Economics | 4 |
| Electricity generation | 1 |
| Electronics | 2 |
| Environment | 1 |
| Fish farming pisciculture | 4 |
| Fishery fishing industry | 3 |
| General | 2 |
| Industry | 18 |
| International Monetary Fund | 11 |
| Knitted goods | 2 |
| Law | 1 |
| Materials science | 1 |
| Mechanic engineering | 7 |
| Metallurgy | 1 |
| Meteorology | 2 |
| Microsoft | 2 |
| Natural sciences | 1 |
| Oil / petroleum | 1 |
| Technology | 5 |
| Textile industry | 6 |
| Transport | 12 |
| Wood processing | 1 |