 |
| |||
| flameproof; pressure-tight; pressure-resistant | |||
| pressure resistant | |||
| strong | |||
| pressureproof; pressure-proof; resistant to pressure | |||
| air-tight | |||
| druckfest: 18 phrases in 9 subjects |
| British usage, not spelling | 2 |
| Chemistry | 1 |
| Coal | 1 |
| Electronics | 4 |
| General | 5 |
| Industry | 1 |
| Mechanic engineering | 1 |
| Mining | 1 |
| Technology | 2 |