trefoil: 102 phrases in 21 subjects |
Agriculture | 11 |
Biochemistry | 1 |
Biology | 16 |
Botany | 34 |
Cables and cable production | 3 |
Computers | 1 |
Construction | 4 |
Electrical engineering | 1 |
Entomology | 1 |
Forestry | 1 |
General | 5 |
Mammals | 2 |
Mathematics | 1 |
Medical | 6 |
Molecular biology | 2 |
Nuclear physics | 3 |
Occupational health & safety | 1 |
Perfume | 1 |
Physiology | 1 |
Technology | 3 |
Topology | 4 |