|
bolt on : 54 phrases in 18 subjects |
| Automated equipment | 7 |
| Automobiles | 8 |
| Construction | 5 |
| Data processing | 1 |
| Ecology | 2 |
| Economics | 1 |
| Electrochemistry | 1 |
| General | 4 |
| Information technology | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Music | 2 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oilfields | 1 |
| Technology | 12 |
| Transport | 4 |