# Archive retirement


## A

840

## B

518

## Id

C13

## Job

missing_used

## Reason

Unknown is used amount.

## Complete source

A fictional archive starts 840 cards, ends 518: 840−□=518.

## Status

Original fictional ordinary practice; teach source/help before any own application.

## Title

Archive retirement

## After own work: adult practice possibility

322 removed; 840−322=518.