 |
| |||
| o-ring gasket (catharsis); O-ring seal (catharsis) | |||
| О-кольцо: 19 phrases in 11 subjects |
| Armored vehicles | 3 |
| Astronautics | 5 |
| Automobiles | 1 |
| Computer networks | 1 |
| Drilling | 2 |
| Electronics | 1 |
| Fishery fishing industry | 1 |
| General | 1 |
| Mass media | 2 |
| Nuclear and fusion power | 1 |
| Telecommunications | 1 |