 |
| |||
| symmetry | |||
| syngony | |||
| mark/space ratio; duty cycle | |||
| simmetria: 51 phrases in 17 subjects |
| Agriculture | 2 |
| Astronomy | 5 |
| Chemistry | 1 |
| Communications | 1 |
| Earth sciences | 3 |
| Electronics | 4 |
| General | 1 |
| Life sciences | 1 |
| Lighting other than cinema | 1 |
| Mathematics | 2 |
| Medical | 20 |
| Physical sciences | 1 |
| Scientific | 1 |
| Statistics | 2 |
| Technology | 1 |
| Thermal Energy | 1 |
| Transport | 4 |