Open door, of the following signs would require a small repeated movement. Thus, option (b) is correct.
What is signs?
The term signs refer to the visual representation. The signs are the non-verbal-communication if they communicate with the help of the sign. The sign was the used by the roads, complex, and the school. There was the used in the direction, smoking, and the parking.
The term opens the door was the used in the used in the repeatedly. The open door is the most common word was the used in the repeatedly. The term open door means the door was the open. There was the common sign was the mostly in the used. The signs are the used in the requirement of a small repeated movement.
Therefore, option (b) is correct.
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