Final answer:
To give a proceed signal with a speed limit of 5 MPH, the employee must move the flag or light in a slow and controlled manner.
Step-by-step explanation:
In order to give a proceed signal indicating a speed of no more than 5 MPH, the employee must move the flag or light in a slow and controlled manner. They can move the flag back and forth horizontally or in a circular motion. This slow movement indicates to drivers that they need to proceed with caution and not exceed the speed limit.