It's always a good idea to have your information handy, and all your papers in order.
Imagine Team Oppression trying to process 70M identical answers.
BTW: Sort of on topic, don't make identical serial numbers for all your 80% irons. That would be baaaaaaaad.
Because how could they ever tell who owned what, or where it came from, and whether or not it had been turned in, destroyed, etc.?
Anyone who wondered what would happen if everyone made the same license plate, move over to the Honors class.