 |
| |||
| proof (и пр. bottom edges of the plinth are proofed against the ingress of moisture. | The lantern is completely proofed against the ingress of dust or insects and sealed glass cover panels are provided for the prisms to facilitate maintenance. Alexander Demidov) | |||
| tighten | |||
| seal | |||
| opaque | |||
| proof | |||
| seal off | |||
| doping | |||
| делать непроницаемым: 1 phrase in 1 subject |
| Mechanic engineering | 1 |