 |
|
friction coefficient : 86 phrases in 15 subjects |
| Automobiles | 2 |
| Biology | 2 |
| Construction | 11 |
| Earth sciences | 5 |
| General | 6 |
| Geomechanics | 1 |
| Life sciences | 2 |
| Materials science | 3 |
| Metallurgy | 1 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 3 |
| Oils and lubricants | 1 |
| Physics | 36 |
| Technology | 9 |