| |||
| heliciforme; helicoidal | |||
|
helicoidal : 152 phrases in 22 subjects |
| Agriculture | 19 |
| Chemistry | 7 |
| Coal | 2 |
| Communications | 2 |
| Construction | 1 |
| Earth sciences | 5 |
| Electronics | 16 |
| Energy industry | 1 |
| Forestry | 2 |
| General | 3 |
| Industry | 9 |
| Lighting other than cinema | 2 |
| Materials science | 1 |
| Mechanic engineering | 56 |
| Medical | 6 |
| Metallurgy | 3 |
| Municipal planning | 1 |
| Natural sciences | 1 |
| Physical sciences | 1 |
| Technology | 2 |
| Transport | 11 |
| Video recording | 1 |