In modern society, as the population increases, the sales of automobiles are also gradually increasing. Although the government has introduced relevant policies to control the number of cars, there are still many vehicles that can be seen on the street every day. Traffic jams have been plagued by the peak hours of commuting in big cities. When traffic jams or traffic lights are broken, traffic policemen are required to help direct traffic.

When we encountered the traffic police, we could find that the traffic police stood in the middle of the street and gestured various gestures. These gestures differ in their instruction instructions. So, how to distinguish the significance of these command gestures? There are many kinds of gestures: First, when traffic policemen raise their left hands and their left hand fingers close together and look directly at the vehicle, the vehicle in front of the traffic police will stop at this time; Second, when traffic policemen open their hands and form a ninety degrees with their bodies, And the left hand remains unchanged. When the right hand directs the right hand side of the car to the left hand side, it means that the right hand side car is allowed to go straight; when the car is speeding, the traffic police command the deceleration gesture also has particularism. The traffic police need the right hand to rise parallel to the shoulder and then the right hand. Repeat forty-five degrees downwards twice. Here is only part of the command car gestures, the command car gestures up to eleven, but now there are eight.

When the traffic light is broken, the traffic police will have to take responsibility for directing the traffic and direct which cars go. In bad weather conditions, traffic police can use the baton to direct traffic. Traffic rules are obeyed by everyone, and traffic policemen must obey command orders when they are on duty. Recognizing the gesture of the command car is helpful for us to better cope with the work of the traffic police, and we can also get help faster when the traffic jam.

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