| signal | |
| gen. | 打信号 |
| bridge. | 信号 |
| hockey. | 手势 |
| hydroel.st. | 标志; 符号 |
| radio.amat. | 信号 |
| sport. | 手势; 旗势 |
| tech. од. | 信号 |
| telecom. | 通信 |
|
downgoing : 25 phrases in 6 subjects |
| Drilling | 1 |
| Engineering geology | 1 |
| Geophysics | 2 |
| Oil / petroleum | 19 |
| Technology | 1 |
| United Nations | 1 |