Daily operations and risks. Classic situation described in the section of the site utility and operation, where the various positions that the cargo ramp assumes in these cases can be noticed. You can notice the necessity to signal it in some way, through the cone signaler, but with the total absence of protection or thinking to protect the left corner of this, even with sell’otape, (as I have been able to see in some occasions). This is the same condition from which I got my idea. Some possible scenes that can be presented are: a) run over of the staff or the transported merchandise because of a collision in the back of the truck from part of vehicles, motorcycles, as a result of poor visibility, slippery bottom or for distraction; b) accidental fall of the staff or transported merchandise, constituting danger in the immediate vicinities; c) car that goes with it’s front bonnet under the truck’s mobile tail lift, with the danger that the tail lift goes inside the car; d) from these pictures you can very well see how the tail lift assumes the function of a sharp blade or its external corner acts as a canopener, ready to leave its sign on the pedestrians, motorcyclists, vehicles, etc .