clock spring
| effect
| clock spring | |
| industr. construct. | urfjeder |
| effect | |
| environ. | virkninger; virkninger |
| health. | effekt |
| med. | virkning |
| |||
| urfjeder | |||
|
clock spring : 3 phrases in 2 subjects |
| Industry | 2 |
| Metallurgy | 1 |