HI, I AM CURRENTLY INVOLVED IN WAREHOUSING AND THE PEOPLE WHO ARE ALREADY IN THE WAREHOUSE WHERE WORK TELL ME THAT NUMBERING OF THE SHELVES SHOULD STARTS FROM UP TO DOWN. I TOLD THEM THAT IT IS THE OTHER WAY AROUND BUT THEY DONT BUY MY ARGUMENT. WHAT IS THE RIGHT AND CORRECT WAY TO IDENTIFY YOUR RACKS AND SHELVES?