 |
| |||
| bomba helicoidal | |||
| helical: 39 phrases in 12 subjects |
| Agriculture | 4 |
| Chemistry | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Industry | 5 |
| Mechanic engineering | 6 |
| Medical | 6 |
| Nautical | 1 |
| Technology | 8 |
| Textile industry | 1 |
| Transport | 1 |
| Video recording | 1 |
|
| |||
| bomba helicoidal | |||
| helical: 39 phrases in 12 subjects |
| Agriculture | 4 |
| Chemistry | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Industry | 5 |
| Mechanic engineering | 6 |
| Medical | 6 |
| Nautical | 1 |
| Technology | 8 |
| Textile industry | 1 |
| Transport | 1 |
| Video recording | 1 |