 |
| rotary feeder: 32 phrases in 16 subjects |
| Agriculture | 1 |
| Cement | 8 |
| Construction | 1 |
| Energy industry | 1 |
| Food industry | 1 |
| Gas processing plants | 1 |
| General | 1 |
| Mechanics | 1 |
| Metallurgy | 3 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Polymers | 1 |
| Robotics | 1 |
| Technology | 8 |
| Thermal engineering | 1 |