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tip nozzle : 21 phrases in 9 subjects |
| Agriculture | 3 |
| Automobiles | 2 |
| Aviation | 1 |
| Construction | 1 |
| Hydroelectric power stations | 2 |
| Hydrology | 1 |
| Pest control | 2 |
| Plastics | 2 |
| Technology | 7 |
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