2. After hearing the signal from the underground, send a red light first, then hit the signal. Make the car red light, and the car stops red light.

3. What signal is sent downhole, what signal is transmitted, and when there is any doubt about the signal, the application telephone asks clearly and then transmits the signal.

4. When you hear the signal from the underground and cannot be transmitted in time, you should illuminate the red light or use the telephone to inform the underground signal to explain the reason. Once it returns to normal, the well must be notified first, and the signal must be transmitted after the downhole signal is heard again.

5. After the signal is transmitted, it is still necessary to concentrate on the hand, and the hand does not leave the intruder. Once the underground emergency stop signal is heard, the parking signal should be transmitted immediately.

6. When the lifting container is in the well and the wellhead is in urgent need, it must first contact the underground and send a signal to the winch after receiving the lifting signal from the underground.

7, the signal workers must strictly abide by the job, the spirit is concentrated, unclear is strictly prohibited from taking up the post, it is strictly forbidden to let others replace, and it is not allowed to use the foot to beat the signal.

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