Example: All part numbers produced by a particular supplier will use the same discreet set of serial numbers. Under no circumstance shall two pedestals have the same serial number. Applied Materials will assign a block of 1000 numbers to each supplier. When that block is used up, another block not already given to another supplier will be assigned. If any pedestal is scrapped at any point in the production process, its serial number must be retired and not reused. This is mandatory to preserve the integrity of the serial number based inspection record system.