 |
| chevrons: 73 phrases in 19 subjects |
| Book binding | 1 |
| Construction | 3 |
| Earth sciences | 4 |
| Environment | 1 |
| Forestry | 2 |
| Gear train | 5 |
| General | 1 |
| Ichthyology | 1 |
| Industry | 9 |
| Knitted goods | 1 |
| Linguistics | 1 |
| Materials science | 1 |
| Mechanic engineering | 19 |
| Metallurgy | 3 |
| Microsoft | 6 |
| Ornithology | 1 |
| Technology | 5 |
| Textile industry | 3 |
| Transport | 6 |