estratificado: 118 phrases in 28 subjects |
Chemistry | 17 |
Communications | 1 |
Drilling | 1 |
Earth sciences | 3 |
Energy industry | 1 |
Environment | 1 |
Finances | 3 |
Food industry | 1 |
Forestry | 1 |
General | 4 |
Industry | 14 |
Isolation | 2 |
Life sciences | 1 |
Materials science | 7 |
Mathematics | 1 |
Medical | 6 |
Meteorology | 1 |
Natural sciences | 10 |
Packaging | 8 |
Pharmacy and pharmacology | 1 |
Plastics | 1 |
Soil science | 4 |
Statistics | 13 |
Technology | 1 |
Textile industry | 3 |
Transport | 9 |
United Nations | 2 |
Wood processing | 1 |