"SINCE MY NEXT DOOR NEIGHBOUR WORKS IN ELECTRONICS, AND NOW HAS AN ELECTRONIC CORROSION CONTROL DEVICE ON HIS NEW CAR AND TELLS ME THAT BRIDGES AND ANTENNAES HAVE THIS KIND OF SYSTEM ON A LARGER SCALE, I AM CONVINCED THAT THIS TECHNOLOGY IS DEFINITELY SOUND. IT JUST MAKES GOOD SENSE TO KEEP THE VEHICLE IN BETTER RUST FREE CONDITION WHEN SELLING OR TRADING."