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| 按钮控制操纵 | |||
| 按钮控制 | |||
| 按钮操纵 | |||
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button control : 46 phrases in 16 subjects |
| Automobiles | 4 |
| Aviation | 2 |
| Chemistry | 1 |
| Drilling | 1 |
| Electric machinery | 2 |
| Electronics | 2 |
| General | 1 |
| Management | 1 |
| Mechanics | 1 |
| Metallurgy | 5 |
| Plastics | 3 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 17 |
| Telecommunications | 1 |